Peter Parker's classmates are being phased out of significant screen time in Spider-Man 4. The sequel film, swinging onto screens on July 31, 2026, is ushering in some big changes on its plate—and that includes bringing Stranger Things alum Sadie Sink on board.

Stranger Things star Sadie Sink will join Tom Holland in the fourth Spider-Man film. Filmmaker Destin Daniel Cretton ( Shang-Chi and the Legend of the Ten Rings) is helming the movie that is currently untitled. Erik Sommers and Chris McKenna penned the screenplay.

Stranger Things alum Sadie Sink will be joining the film in a mystery role. Other than Tom Holland, who will be reprising his role as Peter Parker, Sink is the only confirmed cast member. Naturally, the Internet has been speculating about who Sink could be playing — is she a new take on Gwen Stacy,

Following the news that Stranger Things star Sadie Sink is being lined up for a lead role in Spider-Man 4, we have some thoughts on who the actor is most likely playing in the No Way Home

Tom Holland has his first confirmed co-star for Spider-Man 4. Stranger Things actress Sadie Sink has joined the cast of the MCU movie.

Julia Carpenter has taken on some different personas in the Marvel Universe over the years. She stepped in as the second character to take on the mantle of Spider-Woman, making her a nice fit alongside Tom Holland’s Peter Parker, who will likely still be trying to figure out the ropes of Spider-Man without his friends.

"Stranger Things" star Sadie Sink has been cast in the upcoming "Spider-Man 4," Deadline reports. Production on the fourth film in the series is set to move forward later this year after Tom Holland finishes up his time making "The Odyssey" with Christopher Nolan.

By now, you've heard the news that Stranger Things star Sadie Sink has joined the cast of Spider-Man 4 alongside Tom Holland. But while fans mull over which fictional red head the 22-year-old actor is going to play—the most popular theory is probably X-Men's Jean Grey—they'll still have to wait for Spidey to stop filming Christopher Nolan's adaptation of The Odyssey before production of the Marvel x Sony project can even begin.