AVENGERS: DOOMSDAY (2026) | Dr Doom Teaser br br 🎥 Attention viewers! (ITS FAN MADE) br The Avengers: Doomsday trailer unleashes a dark new era for the Marvel Cinematic Universe, teasing the most dangerous threat the Avengers have ever faced. Set for Avengers 2026, the Avengers Doomsday movie introduces Robert Downey Jr. as Doctor Doom, redefining the villain for the MCU and signaling a major shift across MCU Phase 5 and Phase 6. Packed with epic moments, this Avengers Doomsday Marvel trailer and teaser hint at a massive cast, multiversal consequences, and a world on the brink of collapse as Doctor Doom rises to reshape the future of Marvel.