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

New details emerge regarding who Stranger Things' Sadie Sink could potentially be playing in Marvel and Sony's Spider-Man 4.

Sadie Sink is joining the Marvel Cinematic Universe. The “Stranger Things” star has been cast in “ Spider-Man 4 ,” in which she’ll share the screen with Tom Holland as the web-slinging Avenger.

Stranger Things actress Sadie Sink is set to appear in Spider Man 4, according to US reports. Hollywood publication Deadline said, external she had been cast in the sequel opposite returning star Tom Holland.

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.