Robert Downey Jr. explains why Doctor Doom excites him more than Tony Stark right now as he prepares for Avengers: Doomsday.

The host asked Robert Downey Jr. about the parallels between Tony Stark and Doctor Doom. The actor explained that both characters were connected to science and were seen as highly intelligent. However, Tony’s past trauma helped turn him into a hero, while Doom was different and powerful enough to require many heroes to face him. He went on to say:

Doctor Doom's backstory is finally explained in a new special video of Avengers: Doomsday, unveiled by Marvel at the D23. | Hollywood

Tommy McArdle is a Writer-Reporter on the Movies team at PEOPLE. He joined the brand in 2022. The new trailer for Avengers: Doomsday prominently features Chris Hemsworth’s Thor fighting Robert Downey Jr.’s Doctor Doom for the first time Chris Evans ...

If there’s a narrative reason for why the new big bad Marvel villain Doctor Doom looks like the late Tony Stark/Iron Man, Robert Downey Jr. isn’t telling. But the veteran actor, returning as the eponymous supervillain of this year’s Avengers ...

In the exciting upcoming Avengers: Doomsday, Robert Downey Jr. takes on the iconic role of Doctor Doom, with the newly released poster generating buzz. Fans can buy tickets now for this much-awaited film premiere in December 2026.