‘Stranger Things’ star Sadie Sink joins cast of ‘Avengers: Secret Wars’ after role in ‘Spider-Man: Brand New Day’ – ReportsSadie Sink, the breakout star of ‘Stranger Things’, is set to kiss the Upside Down goodbye and embrace her superhero calling in the Marvel Cinematic Universe. The actress, who landed a role in Tom Holland’s ‘Spider-Man: Brand New Day’, is reportedly set to expand her role in the MCU, with her casting in the upcoming Russo Brothers directorial ‘Avengers: Secret Wars’.
Sadie joins cast of ‘Secre Wars’
According to a new report from Deadline, Sink, who will make her Marvel debut with the fourth Spidey film on July 31, 2026, will be back on screens in the ‘Avengers’ film that will reportedly follow the events of ‘Avengers: Doomsday’.The report states that the actor is expected to film ‘Secret Wars’ in London in 2026. Her casting marks a significant addition to the expanding ensemble of the upcoming film that is also rumoured to bring back several heroes from past movies in one epic culmination.
Sadie’s role kept under wraps
Sadie’s role in the MCU, however, is still under wraps. While some reports seem to indicate that she will play either Spider-Man’s love interests Gwen Stacy or Mary Jane Watson while others suggest a role as X-Men mutant, Jean Grey.If the rumours turn out to be true, her casting in ‘Secret Wars’, could potentially set her up to play a superhero linked to the franchise for years to come.
About ‘Secret Wars’
‘Secret Wars’, the follow-up to Doomsday, remains tightly under wraps but is confirmed to feature Robert Downey Jr in his new role as Doctor Doom. With the ‘Doomsday’ trailer confirmed for a December release, rest assured a Spider-Man update will follow soon after.


