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

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.

Sadie Sink has joined the Marvel canon! The Stranger Things and O’Dessa star is set to join the fourth Tom Holland Spider-Man film. As of this time, we do not know who she is playing in the film and there are plenty of female characters in Peter Parker’s life she could be playing.