Overview

• The film is slated for December 18, 2026 with Anthony and Joe Russo directing, Stephen McFeely writing, and Robert Downey Jr. confirmed to play Doctor Doom.
• Michael Waldron says he shifted from lead writer to a supporting role after the Russos and McFeely joined the project.
• A self‑described insider, James Mack, claims Doctor Doom will commandeer X‑universe Sentinels via magical runes, which has not been officially confirmed.
• The same source says Famke Janssen and Halle Berry could return as Jean Grey and Storm, a claim that remains unverified.
• Fans are reading a Russo set photo showing an “A” and an “X” as a possible title tease, but Marvel has not announced any change.