Marvel Studios has dropped a pulse-pounding new trailer for Avengers: Doomsday, showcasing Doctor Doom—played by Robert Downey Jr.—in a terrifying display of power. The footage confirms the villain is commanding an army of Sentinels to reclaim what he believes are “stolen lives.”

The trailer highlights a desperate struggle for our heroes, including a battered Magneto and Steve Rogers. With the film hitting theaters on December 18, 2026, anticipation is peaking as the Russo brothers prepare to deliver what Chris Evans has teased as a “brutal” new chapter for his character.