SPIDER-MAN: BRAND NEW DAY: A Potentially Major SPOILER For Sadie Sink's Character Has Been Revealed

SPIDER-MAN: BRAND NEW DAY: A Potentially Major SPOILER For Sadie Sink's Character Has Been Revealed

While we still don't know who Stranger Things star Sadie Sink in playing in Spider-Man: Brand New Day, a new rumour claims to reveal a major character detail. You can learn more about that right here...

By JoshWilding - Sep 21, 2025 12:09 PM EST

Sadie Sink's Spider-Man: Brand New Day character remains one of the movie's biggest talking points, especially as we're no closer to learning who the Stranger Things star will play. 

Initially, Jean Grey's name was thrown around, with everyone from Mary Jane Watson to Gwen Stacy, Mayday Parker, and Rachel Cole-Alves all following in the months since then. Heck, we've even heard that she'll play two characters, one of whom will be revealed as Spider-Man: Brand New Day's villain. 

The latest update comes our way from scooper @MyTimeToShineH. According to the insider, Sink's characters will have superpowers in the upcoming Marvel Studios/Sony Pictures co-production. 

That doesn't necessarily help us narrow down who Sink will play, but with Spider-Man: Brand New Day set to lead directly into Avengers: Doomsday, her being the daughter of Tobey Maguire's Peter Parker is a very real possibility. 

Jean Grey is still another, especially as this could be a version of Marvel Girl who has yet to join the X-Men (something we'd no doubt then see in the post-Avengers: Secret Wars X-Men reboot). Jean would be an odd addition to this movie, though, and doesn't have much history with Spidey.

"This is news to me. This is news to me," Sink said in March when she was presented with the Jean Grey rumours. "No, I have nothing to say about this. The rumours are really cool, though. It's an awesome rumour. I know the character. It's a great character, so that was cool to read."

We'll have to wait and see what happens, but it might be best to rein in expectations. With Tombstone supposedly set to appear in Spider-Man: Brand New Day, another possibility for Sink's role is the mobster's daughter, The Beetle. 

Let us know your theories on this latest MCU rumour in the comments section below. 

Spider-Man: Brand New Day shares a title with a divisive era of storytelling, which, thanks to a deal with Mephisto, saw the wall-crawler get a fresh start when his marriage to Mary Jane Watson ended and his identity became secret again. He faced many new sinister foes during that time and was surrounded by an overhauled supporting cast, including a resurrected Harry Osborn.

Mister Negative, Jackpot, Menace, and Carlie Cooper were some of the standout additions to his world, though they don't currently look set to appear in this movie. Instead, all signs point to Spidey teaming up with (and at some point fighting) The Punisher to take on a Savage Hulk, with The Scorpion thrown in for good measure. 

Several other villains are reportedly set to appear in the movie, including Tombstone, Tarantula, Boomerang, and Ramrod. There's been some chatter online about the Venom Symbiote factoring into the story, potentially setting the stage for Mac Gargan to eventually don the alien costume.

Shang-Chi and the Legend of the Ten Rings helmer Destin Daniel Cretton directs Spider-Man: Brand New Day from a script by Chris McKenna and Erik Sommers. Tom Holland leads a cast that also includes Jon Bernthal, Mark Ruffalo, Zendaya, Sadie Sink, Michael Mando, Tramell Tillman, and Liza Colón-Zayas. Thunderbolts* star Florence Pugh is also rumoured to have joined the cast.

Spider-Man: Brand New Day will be released in theaters on July 31, 2026.

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Maskmaster
Maskmaster - 9/21/2025, 12:34 PM
Sadie is going to be Firestar, which will lead to Ice Man and the birth of the MCU Amazing Friends.
Matchesz
Matchesz - 9/21/2025, 12:42 PM
@Maskmaster - this is my favorite rumor
Mongrol
Mongrol - 9/21/2025, 12:43 PM
@Maskmaster -

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ProfessorWhy
ProfessorWhy - 9/21/2025, 1:07 PM
@Maskmaster - this is the only way to defeat The SuperFriends at the box office. Hopefully the Amazing Friends will meet The X-men and an Australian Wolverine will get his claws stuck in a brick wall
lazlodaytona
lazlodaytona - 9/21/2025, 1:16 PM
@Matchesz - this rumor has me SO turned on. other than that, another Spidey movie does nothing for me or most fans. Spider needs a break
Fogs
Fogs - 9/21/2025, 1:20 PM
@Maskmaster - I'd love that actually
Vigor
Vigor - 9/21/2025, 1:28 PM
@Maskmaster - I like this
TheVandalore
TheVandalore - 9/21/2025, 1:36 PM
@Maskmaster - I actually very much like this idea. Won't happen. If it does I'll stand up in my theater and clap.
WruceBayne
WruceBayne - 9/21/2025, 2:00 PM
@Maskmaster - yeah… that actually works for me.
RitoRevolto
RitoRevolto - 9/21/2025, 2:29 PM
@Maskmaster - This! Screw those Mayday Parker and Jean Grey rumors.
AnthonyVonGeek
AnthonyVonGeek - 9/21/2025, 4:29 PM
@Maskmaster - I hope so. That is the first time I’ve ever seen the X-Men animated and made me fall in love with them.
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skyshark03191
skyshark03191 - 9/21/2025, 4:57 PM
@lazlodaytona - Break? He’s been out of the movies for four and a half years by the time it comes out. Now Marvel? Sure. That I’ll agree with.
elcapitan
elcapitan - 9/21/2025, 6:12 PM
@Maskmaster - I was just thinking this. It seems to fit well in my opinion. Miss Marvel established that mutants do exist in this reality but it probably takes something like her bangle to turn the X gene on because of He Who Remains. Or maybe Sylvie killing him allows for X genes to turn on spontaneously. I think this would be the best turn of events. Maybe she’s MJ’s cousin. They both have Jones for a last name.
Waifuslayer2
Waifuslayer2 - 9/21/2025, 12:57 PM
Josh, you're OBSESSED with this girl.
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lazlodaytona
lazlodaytona - 9/21/2025, 1:17 PM
@Waifuslayer2 - why shouldn't he be?
Waifuslayer2
Waifuslayer2 - 9/22/2025, 12:29 AM
@lazlodaytona - mostly because it's annoying to see the same headline for at least the 5th time now.

Did I accidentally insult your waifu? She's not gonna [frick] you, dude.
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lazlodaytona
lazlodaytona - 9/22/2025, 12:32 AM
@Waifuslayer2 - no. We're good my friend
UnderBelly
UnderBelly - 9/21/2025, 12:57 PM
Im still holding out hope for Mayday Parker!

This way Marvel and Sony both win. If they launch her right (if multiversal) then she can go on to lead her own franchise that fans may actually buy into if it's in the Raimi universe.

We can hopefully then wash the bad taste out of our mouths of Morbius, Venom and Madame Web.
DocSpock
DocSpock - 9/21/2025, 1:09 PM

She'll probably be Jean Grey and show up in the mid credits scene.
lazlodaytona
lazlodaytona - 9/21/2025, 1:18 PM
@DocSpock - why do you think so? Just curious
DocSpock
DocSpock - 9/21/2025, 5:29 PM
@lazlodaytona -

On one of the many rumor articles on this site, they mentioned they she was one of 4 actresses who had auditioned for the part of Jean Grey. I didn't think any of the others seemed right.

Also, I don't like her in anything for this Spidey movie. Not in any of the roles I have seen suggested.

Also, MTTS said they would have a huge surprise appearance at the end of this movie or during the credits. I hope that's it.
DocSpock
DocSpock - 9/21/2025, 5:33 PM
@lazlodaytona -

But if they put a wig on her and make her Black Cat, that would be okay I guess. Mary Jane from another Earth? WTF do I know?
ObserverIO
ObserverIO - 9/21/2025, 7:03 PM
@DocSpock - The Jean Grey thing feels less likely to me after they have chosen to feature legacy X-Men in Doomsday. I don't think we'd be getting even a sneak peek at the new X-Men before then. I might be wrong. Who knows?
DocSpock
DocSpock - 9/21/2025, 7:07 PM
@ObserverIO -

You are probably right. I just don't like most of the other characters they have mentioned for her.
lazlodaytona
lazlodaytona - 9/21/2025, 10:50 PM
@DocSpock - rumor articles get the clicks and pays the bills to keep the electricity going to keep the computers going to keep the cranking out of said articles going to keep the rumors going to keep the paying of the bills going to keep..... I think you get it
lazlodaytona
lazlodaytona - 9/21/2025, 10:51 PM
@DocSpock - more than most do sir!
HumanRubiksCube
HumanRubiksCube - 9/21/2025, 1:43 PM
shesa young madame web shes part of sonys plans to reboot their sider universe....WITH A MADAME WEB PREQUEL....ITLL MAKE 2 BILLION...EASY.
LMAO
JackDeth
JackDeth - 9/21/2025, 1:54 PM
Honestly, at this point, any answer is going to be a let-down for some people.
TheFinestSmack
TheFinestSmack - 9/21/2025, 2:02 PM
@JackDeth - I really do appreciate you being honest about this.
TheVisionary25
TheVisionary25 - 9/21/2025, 2:11 PM
@JackDeth - yep

Given the fandom nowadays , someone bound to be dissapointed by something…

You just can’t please everyone.
JackDeth
JackDeth - 9/21/2025, 2:13 PM
@TheFinestSmack - I appreciate it when people use the same joke over and over again. Honestly, it's one of my favorite things in the world and never gets old.
RegularPoochie
RegularPoochie - 9/21/2025, 1:57 PM
This scooper throws every single possibility and hopes one them hits.
Also she gets her "scoops" from reddit comments from some random users, lmao.
TheFinestSmack
TheFinestSmack - 9/21/2025, 2:01 PM
My number one most anticipated movie of all time!!!
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TheVisionary25
TheVisionary25 - 9/21/2025, 2:09 PM
If true , superpowers huh?.

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If it is Firestar or even Jean Grey , I could see her being a mysterious character who has no idea how her powers came to be except they were just one day…

Maybe she’s run away from home and landed in the same apartment building as Peter as luck/fate would have it?.

Anyway whatever it is , Sadie Sink is a great young talent and I can’t wait to see her in BND!!.
ModHaterSLADE
ModHaterSLADE - 9/21/2025, 2:15 PM
Hopefully she'll play Firestar.
Maskmaster
Maskmaster - 9/21/2025, 2:36 PM
Another outside possibility is the eventual Stranger Things reunion for Sadie Sink and Joseph Quinn if she turns out to be Frankie Raye...either way still a fire girl!
elcapitan
elcapitan - 9/21/2025, 6:15 PM
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DannyBrandy20
DannyBrandy20 - 9/21/2025, 6:24 PM
I'm thinking

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They made Angela younger and Hank Pym older in the MCU so anything possible
TheIronDuck
TheIronDuck - 9/21/2025, 9:42 PM
@DannyBrandy20 - as Jessica Jones is now cannon again Patsy already has an actress and should still be in The raft.
Timerider
Timerider - 9/21/2025, 8:02 PM
Why was Tobey Maguire in London again? just as filming commences again for Spider-man. It wouldn’t be to return as Peter Parker and pick up his daughter Mayday Parker, right? Spider-girl?
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