Marvel Studios has sparked excitement by teasing the first full trailer for Avengers: Doomsday through a glitchy video posted on T he Fantastic Four’s o f ficial X account.
The clip suddenly cuts to black asReed Richards warns, ‘Not long,’ hinting at the arrival of Doctor Doom. Fans believe the trailer will premiere during Marvel’s Hall H presentation at San Diego Comic-Con.
The film, directed by the Russo brothers and releasing on December 18, 2026, will unite the Avengers, Fantastic Four, X-Men, Wakandan warriors and Thunderbolts against Doctor Doom, played by Robert Downey Jr.
Marvel has also confirmed that The Fantastic Four: First Steps directly sets up the events of the upcoming blockbuster, making it a key chapter in the Multiverse Saga.