Marvel teases Doctor Doom‑focused Avengers: Doomsday with Latveria logo and SXSW London reveal

The Russo Brothers have been using cryptic Instagram posts to build hype for the upcoming MCU team‑up Avengers: Doomsday. A zoomed‑in image of the fictional nation of Latveria—Doctor Doom’s country—was shared, confirming Robert Downey Jr. will portray Victor von Doom. The same symbol was linked to a SXSW London appearance, sparking speculation that a trailer could drop at the festival in early June. Concurrently, new promotional artwork has circulated showing Doom alongside a roster of heroes from the Avengers, Fantastic Four and X‑Men, including Cyclops, The Thing, Sam Wilson, Thor and Yelena Belova, suggesting a large multiverse crossover that may lead into the sequel Avengers: Secret Wars. The film is slated for worldwide release on December 18 2026, with a cast that combines original Avengers such as Chris Evans and Chris Hemsworth with newer MCU characters. The campaign also featured a charity auction by Paul Rudd that raised $100,000 for a children’s hospital, highlighting the film’s growing cultural impact.