New Avengers: Doomsday Trailer Is Best Look At RDJ’s Doom Yet

The teaser shows the Fantastic Four briefing the rest of the MCU heroes about Doom, who has endured a devastating loss that has turned him into a multiversal threat. Even Mister Fantastic, traditionally Doom’s arch‑nemesis, appears stunned by the villain’s escalation.

One lingering question is whether Downey Jr.’s portrayal will remain hidden behind a mask, rendering his return to the MCU a tongue‑in‑cheek nod rather than a substantive performance. Such a twist would be the ultimate irony, especially given the film’s heavy reliance on nostalgia marketing. It remains uncertain whether the movie will explicitly acknowledge that the same actor plays both Doom and Stark, or simply offer a subtle wink to long‑time fans.

Avengers: Doomsday is slated for a theatrical release on December 18, 2023, setting the stage for the climactic events of Avengers: Secret Wars, which is scheduled to debut a year later on December 17, 2027.