Overview

• An unverified claim from insider James Mack suggests the film may feature X‑universe Sentinels, with specifics not confirmed by Marvel.
• That same source also says Famke Janssen and Halle Berry could reprise Jean Grey and Storm, a report that remains unconfirmed.
• Writer Michael Waldron said he shifted from lead writer to a supporting role after Anthony and Joe Russo and Stephen McFeely joined the project.
• Marvel has positioned the movie as a major crossover uniting the Avengers, the Fantastic Four and heroes from the Fox-era X-Men films.
• Avengers: Doomsday is officially dated for December 18, 2026, with Avengers: Secret Wars slated for December 2027.