'Avengers: Doomsday' Finally Unleashes Robert Downey Jr.'s Doctor Doom in Explosive Trailer

Marvel Studios has released the first trailer for 'Avengers: Doomsday,' confirming Robert Downey Jr.'s return to the MCU as Doctor Doom. The footage marks a significant shift in the franchise following the conclusion of the Infinity Saga.
Why it matters
As one of the most anticipated films of 2026, this trailer release is a major cultural event for the entertainment industry and Marvel's box office strategy.
Image via Marvel Studios By Chris McPherson Published Jul 20, 2026, 9:00 AM EDT Chris is a Senior News Writer for Collider. He can be found in an IMAX screen, with his eyes watering and his ears bleeding for his own pleasure. He joined the news team in 2022 and accidentally fell upwards into a senior position despite his best efforts. For reasons unknown, he enjoys analyzing box office receipts , giant sharks, and has become known as the go-to man for all things Bosch , Mission: Impossible and Christopher Nolan in Collider's news division. Recently, he found himself yeehawing along to the Dutton saga on the Yellowstone Ranch. He is proficient in sarcasm, wit, Photoshop and working unfeasibly long hours.
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