Robert Downey Jr. is ‘So Dialed In’ as Doctor Doom – Russo Brothers on His MCU Comeback

The Russo brothers reveal Robert Downey Jr.’s deep commitment to his role as Doctor Doom in Avengers: Doomsday, marking his dramatic return to the Marvel Cinematic Universe.

Downey Transforms Into Doctor Doom for ‘Avengers: Doomsday’

Washington [US], March 6 – The Marvel Cinematic Universe (MCU) is set for a seismic shift, as Robert Downey Jr. returns—not as Iron Man, but as the iconic villain Doctor Doom in Avengers: Doomsday.

Speaking to Deadline, directors Joe and Anthony Russo gave insight into Downey’s intense preparation for the role, revealing his deep commitment to crafting a three-dimensional, complex antagonist.

“It’s a very intense process developing the character. He’s so immersed in it. He is so dialed in,” said Joe Russo.

Anthony Russo echoed his brother’s sentiments, adding:

“That’s the kind of artist he is. That’s the kind of actor he is.”

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From Iron Man to Doctor Doom: Downey’s Reinvention

Fans were shocked and thrilled when Marvel announced Downey’s return to the MCU as Victor Von Doom at last year’s Comic-Con. This marks a major departure from his legendary role as Tony Stark, a character he played for over a decade.

Joe Russo revealed that Downey is heavily involved in shaping Doctor Doom, from developing the backstory to conceptualizing costume ideas.

“I think he just loves really rich three-dimensional characters, and I think he sees a real opportunity here with that character,” Joe added.

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Avengers: Doomsday – A Star-Studded Return to the MCU

Slated for release on May 1, 2026, Avengers: Doomsday will be the first of two epic films, followed by Avengers: Secret Wars in May 2027.

Alongside Downey’s Doctor Doom, the Russo brothers have confirmed other major castings:

• Chris Evans is reportedly returning to the MCU in an undisclosed role.
• Hayley Atwell will reprise her beloved role as Agent Peggy Carter.

With the Russo brothers back at the helm, following their success with Avengers: Infinity War and Endgame, expectations are sky-high for this next chapter in the Marvel saga.

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What’s Next for the MCU?

With Downey Jr. embracing his villainous side and a multiversal war brewing, Avengers: Doomsday promises to be a groundbreaking moment for Marvel.

• How will Doctor Doom reshape the MCU’s power dynamics?
• What role will Chris Evans play in this epic saga?
• Is Marvel setting the stage for the biggest crossover event yet?

One thing is certain—the MCU will never be the same again.

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Tags: Robert Downey Jr, Avengers Doomsday, Doctor Doom, MCU, Marvel Studios, Russo Brothers, Chris Evans, Hayley Atwell, Avengers Secret Wars, Marvel Cinematic Universe, Superhero Movies