Overview
- A new, extended trailer shown to San Diego Comic‑Con attendees on Saturday centers Robert Downey Jr.’s Victor von Doom, highlighting his ties to the Fantastic Four, use of magic, and an army of Sentinel robots.
- Marvel and the Russo brothers confirmed a wide legacy ensemble will appear in the film, including original X‑Men actors such as Patrick Stewart and Ian McKellen, plus Fantastic Four leads led by Pedro Pascal.
- Chris Evans confirmed he will return as Steve Rogers (Nomad) after saying he reviewed “dozens” of pitches over eight years and decided to come back once Downey rejoined the project.
- Ryan Reynolds made a surprise Deadpool appearance in a new grey suit at Hall H to tease involvement, but Marvel said principal photography is complete and left Deadpool’s inclusion unconfirmed pending any additional photography.
- The movie is reported finished in principal photography, will open December 18, 2026, and Marvel positions Doomsday as the narrative lead‑in to Avengers: Secret Wars next December, a move that aims to lay multiverse groundwork for the finale.