Overview
- Marvel published the new teaser online after it circulated via leaks and was shown ahead of Avatar: Fire and Ash screenings.
- The footage confirms Patrick Stewart, Ian McKellen and James Marsden, including a shot of Cyclops unleashing a powerful optic blast as a Sentinel advances.
- Additional legacy performers named include Kelsey Grammer, Alan Cumming, Channing Tatum and Rebecca Romijn.
- Coverage indicates the returning mutants will appear alongside Avengers and the Fantastic Four, with Robert Downey Jr. portraying Doctor Doom under directors Joe and Anthony Russo.
- Outlets list December 17 or 18, 2026 for release depending on market, and whether these X‑Men are multiversal variants remains unconfirmed.