Sadie Sink Joins Tom Holland in Spider-Man 4

Sadie Sink, known for her role as Max Mayfield in Stranger Things, is reportedly joining Tom Holland in Spider-Man 4. Deadline reports that Sink, whose film debut was in the 2016 film Chuck, will appear in the upcoming Marvel Cinematic Universe (MCU) movie. Filming is slated to begin later this year, with a release date of July 31, 2026.

Marvel and Sony have yet to comment on the casting. Deadline speculates Sink's role could be either Jean Grey or another popular red-headed Spider-Man character, possibly Mary Jane Watson. However, how this would integrate with Peter Parker's current relationship with MJ (Zendaya) remains unclear. Deadline suggests Sink will have a significant role in Spider-Man 4, potentially acting as a reset following the events of Spider-Man: No Way Home, where Peter's identity was erased and he reconnected with MJ.

Holland is currently filming Christopher Nolan's The Odyssey, and is expected to begin shooting Spider-Man 4 upon completion.

Late last year, Marvel Studios head Kevin Feige hinted at the introduction of X-Men characters in upcoming MCU films. He mentioned fans would see familiar X-Men characters in the "next few" MCU movies, without specifying which characters or films. Feige emphasized the X-Men's importance in the MCU's future, particularly after Secret Wars.

Considering Feige's comments, the introduction of more mutants throughout Phase 6 seems likely. This includes Avengers: Doomsday and Spider-Man 4 (both in 2026), and Avengers: Secret Wars (2027). The potential return of Deadpool, Wolverine, and even Channing Tatum as Gambit remains a significant question.

Feige highlighted the X-Men's crucial role in the MCU's future following Secret Wars, stating that their inclusion is a key part of the long-term narrative plan. Phase 7 appears poised to be heavily X-Men-focused, with Storm's appearance in What If...? Season 3 marking a first step.

Marvel Studios has added three untitled movie projects to its 2028 release schedule, increasing speculation that at least one will be X-Men related.

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Feige has also said the X-Men will be an important part of the MCU’s future following Secret Wars.