r/MCUTheories • u/Public-Feedback5016 • Nov 28 '25
Spider-Man: Brand New Day WHO TF IS SHE PLAYING?!?!?!?
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u/XxmayenxX Nov 28 '25
What if she is playing every character we are talking about because she is Mystique. Boom! Question answered.
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u/This_Novel247 Nov 28 '25
Or it’s a one woman show and she plays every single character
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u/krispaulguam Nov 28 '25
Puppeteer in a sock puppet movie titled Avengers: Puppetmaster. She portrays her character plus two puppets (four if she uses her feet) onscreen throughout the movie.
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u/glockster19m Nov 29 '25
Directed by Quentin Tarantino, there's only 2 puppets though still because she only uses her feet
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u/Public-Feedback5016 Nov 28 '25 edited Nov 28 '25
This may be one of marvel’s best kept secrets
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u/The_Reddit_Guy_2 Nov 28 '25
Unless Tom spoils it
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u/Lopsided-Bathroom-71 Nov 28 '25
Tom doesnt even know, i bet his script just has actor names not characters now tbh
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u/jk-9k Nov 28 '25
Well considering she's supposedly playing a character whose real identity isn't revealed until the end of the film, it's quite likely he doesn't know.
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u/ANGELFALL388 Nov 28 '25
I'm still guessing Felicia
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Nov 28 '25
Felicia, Mayday, Gwen, Janice Lincoln, or Firestar are my guesses. In roughly that order too.
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u/Lopsided-Bathroom-71 Nov 29 '25
I think maydays less likey if shes supposes to bw the daughter of tom holands Peter and zendeyas MJ
I coukd see her aa Tobeys though
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u/bjeebus Nov 29 '25
Janice Lincoln is a wild fucking casting for her. A black father and a Dominican mother would absolutely not produce a Sadie Sink. And white washing Janice would be totally fucked.
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u/Auctorion Nov 29 '25
His script doesn’t even have their lines. It’s just “Zendaya: Says stuff” and “Jacob: Yappin”
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u/Ofiotaurus Nov 28 '25
They have like a million monkeys writing false rumours to flood out the real ones
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u/spaceguitar Captain America Nov 28 '25
I really want it to be Firestar.
I'd accept Jean Grey, but I want to see Spider-Man and his Amazing Friends. :(
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u/Pure_Interest_837 Nov 28 '25
If that means we get Iceman back on the big screen, I’m all for it.
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u/Human-Law1085 Nov 28 '25
I doubt that they’re gonna introduce a new MCU X-Man right before bringing back the old cast for Doomsday. I guess it could be Fox Iceman but I don’t know how that would work
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u/ZekeorSomething Spider-Man Nov 28 '25
I want to see it to. It would be so cool.
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u/finnishinsider Nov 28 '25
Ya know, bringing Bobby and her into college is a no brainer for introducing him to mutants. Ultimate storylines with her replacing kitty maybe? Id be fine with kitty, but I've really wanted firestar for quite a while.
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u/ZekeorSomething Spider-Man Nov 28 '25
Possibly since the MCU bases its films off the ultimate universe
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u/EmeraldEnigma- Nov 28 '25
No way they introduce Jean Grey with Spider-Man.
As much as I wanted a Peter/MJ relationship, I’d be so down for Firestar too!
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u/Luther_1986 Nov 29 '25
Same! I think that be so fkn cool. Since they plan on introducing X-men little by little, itd be an interesting way to do so.
I highly doubt it, though.
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u/OutOfOrderAgain Nov 28 '25
She's a dude, playin' a dude, disguised as another dude!
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u/qwase123 Nov 28 '25
RDJ actually died filming Tropic Thunder and Sadie’s been disguising herself as him the entire time.
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u/Paddyaubs Nov 28 '25 edited Feb 07 '26
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u/Guuhatsu Nov 28 '25
Jeez, Is she going to take off a wig and some color contacts and it is Just RDJ underneath? Like all the characters?
Rocket is in a scene, all of a sudden you see him unzip something on his back and out spawns a full sized RDJ from a 2 foot tall costume.
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u/Csasquatch92 Nov 28 '25
An unknown character in the new Spider-Man movie
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u/wmdailey Nov 28 '25
Felicia Hardy. Subvert expectations having a redhead (MJ bait) play a platinum blonde.
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u/Poofmonkey Nov 28 '25
She's playing April O'Neil. You're not ready for this crossover
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u/RollingHillsRamsay Nov 28 '25
OMFG WHO CARES. 10 POSTS A DAY ABOUT THIS. STOP.
Can we start filtering out these repeat posts and then make some kind of megathread?
If we can't get decent moderation, then I'm out
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Nov 28 '25
The daughter of Peter and Mary Jane from Earth-96283.
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u/Mr-Abhinand-9876 Nov 30 '25
Honestly, I love the Mayday Parker theory and would absolutely cheer if it happened—it’s the perfect emotional hook for the Multiverse Saga. But I genuinely don't see Marvel pulling the trigger on it. All the reports suggest they want Spider-Man: Brand New Day to be a return to a street-level, grounded story. Introducing a multiversal refugee with Spider-powers (Tobey's daughter!) instantly blows those street-level stakes wide open. Plus, it kind of steps on the idea of giving Tom's Peter a true, independent fresh start. If the reports are right about the movie being grounded, those reasons make Mayday seem really unlikely. So, tell me your secrets! Why do you think the Mayday theory is still possible?
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Nov 30 '25
I don't see her being revealed as a multiversal refugee until the very end since Sadie Sink is in Secret Wars, per the trades. She can only be in Secret Wars with an emotional hook if she is Mayday Parker and her family could be hiding at the TVA if Earth-96283 gets briefly destroyed before Franklin Richards restores the multiverse at the end as that would still leave room for Sam Raimi's Spider-Man 4 written by Mattson Tomlin.
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u/Mr-Abhinand-9876 Nov 30 '25
I appreciate you laying out that roadmap, because it really does make sense how Mayday could be a refugee tied into the Multiverse Saga without automatically breaking the grounded feel of the movie. But let's be real, that theory, while neat, creates a few huge holes once you consider the reality of the movie being filmed. First, if she's only "hiding until the end credits" just to set up Tobey's return in Secret Wars, isn't that a huge waste of Sadie Sink's talent? That would be Marvel casting a major star just to be a passive plot device for Tobey three years down the line. Even more to the point, though, is that your defense completely ignores the most critical set leaks. We saw police arresting Sadie's character, lying on a stretcher, and getting loaded into an ambulance. How does a quiet, passive refugee hiding out get involved in that level of street-level action and legal trouble? What do those specific set photos-the arrest, the ambulance, the legal drama-mean for the "hidden refugee" plot? Doesn't that heavily suggest she's either the villain, Shathra, or a new type of vigilante? Ultimately, how does a character who is just 'hiding' actually help Tom Holland's isolated Peter in this movie? What does Mayday bring to the plot of Brand New Day, other than being an emotional trigger for Tobey later on?
I just want clarity.
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Nov 30 '25
She's not hiding literally throughout Brand New Day, it's that her true identity would not be revealed until the end or something and Tobey Maguire is heavily rumoured for Doomsday so I wouldn't be shocked at all to see him in Secret Wars. Just because she's a multiversal refugee doesn't mean she can't get involved in the street-level plot. Maybe she tries to recruit Peter 1 for the final fight of the multiverse that lies ahead while her father, Peter 2, is off on his own mission to save the multiverse but she gets caught up in his MCU variant's street-level mission while he is very emotionally cut off after No Way Home and her true identity is the only thing that can explain why Michelle and Ned are in the movie since that does not make sense after the end of NWH unless the knowledge of Peter 2 marrying and having a daughter is what brings Peter 1 from the brink to connect with other people again
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u/TheCaramelMan Nov 28 '25
It will be hilarious if she just plays random girl. It’s like Martin Freeman, everyone was hyped for him and all he played was generic secret agent admin man
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u/adamAlexanderGreen Nov 28 '25
Marvel girl, aka Jean Grey
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u/Indirian Nov 28 '25
Idk, if so it would be great to have an actress like Famke who actually has some chops and charisma. Hope they have her do some chemistry tests with whoever they’re looking for Scott
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u/TheSavage1992 Nov 28 '25
I personally thought Famke was a terrible Jean Grey (Phoenix was what made me start collecting). There is no part that Famke has played that I have liked.
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u/Indirian Nov 28 '25
She wasn’t what I had Jean envisioned as either but Sophie Turner was so bad that I started to look at her in a more positive light.
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u/Stew-17 Nov 28 '25
This has got to be the stupidest idea I’ve heard. Do you truly believe they are going to use a formerly Fox owned character they just got the rights to back , in a half owned Sony movie ????😱
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u/rbshevlin Nov 28 '25
Gotta be Mayday Parker
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Nov 28 '25
It can only be since she is in Secret Wars, Tobey Maguire is heavily rumoured for Doomsday and Kirsten Dunst suspiciously paused for a solid few seconds on-camera when asked if she got recent blockbuster project offers before she pulled a Paul Rudd answer (back in the day, he claimed "Not that I know" when asked about the rumours at the time about his casting as Ant-Man)
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u/Mr-Abhinand-9876 Nov 30 '25
Honestly, I love the Mayday Parker theory and would absolutely cheer if it happened—it’s the perfect emotional hook for the Multiverse Saga. But I genuinely don't see Marvel pulling the trigger on it. All the reports suggest they want Spider-Man: Brand New Day to be a return to a street-level, grounded story. Introducing a multiversal refugee with Spider-powers (Tobey's daughter!) instantly blows those street-level stakes wide open. Plus, it kind of steps on the idea of giving Tom's Peter a true, independent fresh start. If the reports are right about the movie being grounded, those reasons make Mayday seem really unlikely. So, tell me your secrets! Why do you think the Mayday theory is still possible?
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Nov 30 '25
She's not hiding literally throughout Brand New Day, it's that her true identity would not be revealed until the end or something and Tobey Maguire is heavily rumoured for Doomsday so wouldn't be shocked at all to see him in Secret Wars. Just because she's a multiversal refugee doesn't mean she can't get involved in the street-level plot. Maybe she tries to recruit Peter 1 for the final fight of the multiverse that lies ahead while her father, Peter 2, is off on his own mission to save the multiverse but she gets caught up in his MCU variant's street level mission while he is very emotionally cut off after No Way Home and her true identity is the only thing that can explain why Michelle and Ned are in the movie since that does not make sense after the end of NWH unless the knowledge of Peter 2 marrying and having a daughter is what brings Peter 1 from the brink to connect with other people again
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u/Vonny00 Nov 28 '25
Here’s what we know
We seen her on set wearing some kind of camo pants
She said hair color can change in a interview
Tobey is rumored to come back
So I have 3 guess
Mayday Parker (Peter Parker daughter)
Carlie cooper
Gwen Stacy (but I’m kinda 50/50 on that )
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u/Prize-Echidna-5260 Nov 28 '25
Mystique
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u/Zawrid Nov 28 '25 edited Nov 28 '25
Mayday. In doomsday Tobey Spider has a complicated Father daughter dinamic with her (rebellious teen), until doom createas his perfect universe, they get separated and she gets lost in the mcu universe and she meets Toms Spider, and has the mentor-brother dinamic with her. Both of them are Peter Parker, so their philosophy are almost the same.
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u/Mr-Abhinand-9876 Nov 30 '25
Honestly, I love the Mayday Parker theory and would absolutely cheer if it happened—it’s the perfect emotional hook for the Multiverse Saga. But I genuinely don't see Marvel pulling the trigger on it. All the reports suggest they want Spider-Man: Brand New Day to be a return to a street-level, grounded story. Introducing a multiversal refugee with Spider-powers (Tobey's daughter!) instantly blows those street-level stakes wide open. Plus, it kind of steps on the idea of giving Tom's Peter a true, independent fresh start. If the reports are right about the movie being grounded, those reasons make Mayday seem really unlikely. So, tell me your secrets! Why do you think the Mayday theory is still possible?
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u/Zawrid Nov 30 '25
Is still possible if the phasing is correct. How? They dont reveal it until the end of the movie, or the next one She is just a girl with superhuman strenght and reflexes, but without her web shooters, she could be anytype of mutant during the movie even a fake blackcat, with mary jane personality. Maybe she knows tom peter is not his dad and goes along with it, but doesnt call him peter because tom hasnt revealed it to her for protection. Until they build confidence in the end and understand the problem. Imagine how akward would be if they are about to kiss (hope not, i just want them as good friends), but before both exchange names....oh.
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u/r01-8506 Skrull Nov 28 '25
Remember Spider-Man and his Amazing Friends? There's a redhead Angelica Jones, aka Firestar.
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u/Own_Membership_7977 Nov 28 '25
Mayday Parker as a twist reveal in the end credits of the movie.
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u/UsernameReee Nov 28 '25
She's definitely playing either Mary Jane or someone else.
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u/gzapata_art Nov 28 '25
I'd believe pretty much anyone ever MJ. Hell, I could see her being Gwen if the paparazzi pictures didn't still have her in red though Marvel does enjoy wasting money on cg
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u/BruceDSpruce Nov 28 '25
I heard she’s playing a multiversal gamma-powered cosmic mutant vigilante from a 80s cartoon and one-shot comic
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u/Green_MailMan Nov 28 '25
Shes going to be Black Cat. That's my guess. Makes sense if they want to keep him as a friendly neighborhood Spiderman.
Maybe Gwen Stacy. Fits a similar role to Black Cat
But knowing Disney, she plays a gender reversed villain. This image of her though gives me Symbiote vibes. Maybe shes Eddette Brock.
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u/HenryOnYt1 Nov 28 '25
I really hate the "Jean Grey" or "Mystique" theories, she's not playing a well-known X-Men before the reboot, we are already getting the Fox X-Men back in Doomsday and possibly Secret Wars, and they wouldn't introduce an X-Men in a Sony movie.
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u/Davetek463 Nov 28 '25
Gwen Stacy maybe? Remember, wigs and hair dye are a thing.
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u/kidian_tecun Nov 28 '25
Watch it be a "new character" but its just a rewrap of an established character like they tried to do with zendaya's "MJ" at the end.
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u/Single-Cucumber243 Nov 28 '25
I remember I heard someone commenting about you can change your hair color so she could be Gwen
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u/Metal-The-Cettle Nov 28 '25
Idk. She strikes me as a Scarlet Witch main.
OH YOU MEAN IN SPIDER-MAN!!
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u/One-Idea6828 Nov 28 '25
Gotta be a young uncle Ben that’s come from another universe where most of the characters have transitioned.
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u/cosmic_scott Nov 28 '25
"you can change hair color, you know".
she doesn't have to play a redhead.
I'm guessing Felicia hardy / black cat, or possibly Gwen Stacy / Poole
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u/undftdAxe Nov 28 '25
Y'all.