Natalia Dyer, Joe Keery, Gaten Matarazzo, Maya Hawke, Sadie Sink, and Caleb McLaughlin in Stranger Things 4.

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,

As all the rades are reporting, Sadie Sink, best known for her breakout role as Max Mayfield in Stranger Things, will join the cast of Spider-Man 4. While Marvel Studios has yet to confirm the news, fans are already speculating about which character Sink might portray in the Marvel Cinematic Universe’s next Spider-Man story.