Theater actress turned mainstream star Sadie Sink has tried her hand at another big project. The 23-year-old actor will reportedly join the cast of the famous Marvel Cinematic Universe film Avengers: Doomsday, which is set to hit the screens late next year. According to a new report from DEADLINE, the actor will soon be heading to London for filming.

After Stranger Things, what’s Sadie Sink doing next

Sadie Sink’s casting in Avengers: Doomsday is almost confirmed, thanks to new tea from a producer. “Spider-Man: Brand New Day is scheduled to open July 31. There’s been a lot of speculation about Sink’s role in the Spidey movie, and frankly, I don’t know the answer, but I do know that she’ll be joining the cast of the next Avengers picture to be shot in London later in 2026,” DEADLINE shared, speaking to James Berman. Earlier, The Hollywood Reporter had claimed that principal photography of the awaited film will begin in summer 2026.

The Robert Downey Jr. starrer is expected to be released in theaters on December 18, 2026, as part of phase six of the MCU. It has already made one change to its release plans, the previous drop was to May 1, 2026.

Meanwhile, it is known that the actress will be filming for Spider-Man: Brand New Day until mid-December, while also currently being on a press tour with the cast of Stranger Things season 5, in which she plays Max Mayfield. It is currently not known what his role is in the film starring Tom Holland, but expectations are high from the skilled player.

She has also been confirmed to play the role of Juliet in director Robert Icke’s famous film Romeo and Juliet. Noah Jupe, best known for his work in A Quiet Place, will play Romeo, her star-crossed lover.