Overview

• In a video message from the set, Joe and Anthony Russo called the film "bigger than anything we have ever done" and promised a unification of fan-favorite heroes against a major threat.
• The teaser stitched together behind-the-scenes glimpses with lines from past MCU entries and Fox-era X-Men and Fantastic Four films, including quotes from Professor X, Cyclops and Reed Richards.
• The footage screened at Destination D23 remains exclusive to attendees and has not been released publicly.
• Paul Rudd appeared from London to praise "jaw-dropping" sets and the large ensemble working on the production.
• Robert Downey Jr. is confirmed as Doctor Doom, and Avengers: Doomsday is slated for theatrical release on December 18, 2026.