Stranger Things star Sadie Sink will be joining the Marvel Cinematic Universe to play a currently unnamed character in Spider-Man 4. The news has created plenty of buzz among MCU fans due to the quality of Sink's work up until this point in her career, but the talk has immediately turned to who Sink will play.

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 teenaged, web-slinging Avenger.

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,