Netizens poke fun—“Who is she going to play?”—as Sadie Sink joins the cast of ‘SPIDER-MAN 4,’ hitting theaters July 31, 2026

"Marvel: Universe Of Superheros" Exhibition In Madrid - Source: Getty
Sadie Sink joins the cast of SPIDER-MAN 4 - Source: Getty

It’s official Sadie Sink is swinging into the Spider-Man universe! The Stranger Things star has been cast in Spider-Man 4, set to hit theaters on July 31, 2026. While Marvel is keeping her role tightly under wraps, that hasn’t stopped the internet from doing what it does best: overanalyzing and making memes.

As soon as the casting news dropped, the reactions flooded in. Some fans were thrilled, some were skeptical, and some just wanted to crack jokes about the very familiar trend of redheads in Spider-Man movies. The online chatter turned into a full-blown meme fest, proving once again that no Marvel news is safe from the internet’s collective sense of humor.


Sadie Sink in Spider-Man 4: What’s the Internet Saying?

The moment Deadline confirmed Sink’s casting, social media exploded with speculation. Who is she playing? Will she be a hero, a villain, or just a cool citizen of New York? Some fans immediately jumped to a familiar theory

A user dramatically posed the question:

Because if history has taught us anything, it’s that Spider-Man and redheads go together like webs and skyscrapers. But while some were busy fan-casting her as a multiversal Mary Jane, others took a more... skeptical approach.

A user (@Jondelarroz) sarcastically noted:

"They cast a redhead? Shocker."

The Spider-Man casting department has a type, and the internet is aware of it.

And of course, no viral casting news is complete without a dose of Stranger Things references. It didn’t take long for fans to connect Sadie Sink’s most famous scene to her new role.

A user (@EKH2314) quipped:

"So would you say Spider-Man... is runnin’ up that hill?"

Kate Bush is somewhere cashing another check, and we love that for her. Not everyone was on board, though. As always, the internet had its fair share of dramatic exits.

A user bluntly declared

To which Marvel Studios probably responded by... continuing to print money.

With the internet’s collective brain firing on all cylinders, the memes started rolling in at full speed. Some users joked about Sink’s impressive talent, saying she could play Peter Parker himself and we’d still believe it. Others imagined her as yet another multiversal Gwen Stacy, because apparently, every Spider-Man timeline needs one.

Then some fully embraced the randomness of it all. One fan jokingly lamented their own career choices:

A user (@lauramelonsss) self-deprecatingly admitted:

"I’ll only play an extra sadly."

We get it. We, too, would like to be cast in a blockbuster movie just by existing.

At the end of the day, we still don’t know who Sadie Sink is playing, but one thing is certain: her casting has already given us some quality internet content. Whether she’s an alternate MJ, a new Gwen Stacy, or Marvel’s latest attempt at surprising us (good luck with that), fans will be watching.

Or, at the very least, they’ll be making memes about it.

Spider-Man 4 swings into theaters on July 31, 2026, so start preparing your fan theories now. Just don’t be surprised if they turn into memes before the trailer even drops.

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Edited by Sohini Biswas