New details have emerged regarding who Sadie Sink could be playing in Marvel and Sony's Spider-Man 4. On Wednesday, March 12, 2025, it was announced that Sink, known for starring in Netflix's Stranger Things,

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.

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,

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.

Marvel fans are always clamoring for a Spider-Man/Daredevil team-up, but the truth is the studio’s already given us that dream two-fer twice over at this point. See Charlie Cox’s cameo in Spider-Man: No Way Home and the Man Without Fear’s epic cameo in recent animated series Your Friendly Neighborhood Spider-Man.

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.

EXCLUSIVE: With production set to start later this year on the next installment in the Spider-Man franchise, series star Tom Holland looks to have found a new co-star — one who is no “stranger” to popular IP.

Marvel Cinematic Universe has a new acting powerhouse on board — Sadie Sink and that too, for the Spider-Man franchise. Details inside!