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Theories have been rife suggesting Doctor Doom could be a Tony Stark variant from Earth 828, or Marvel Studios could finally be bringing Stark’s adoption storyline from Marvel Comics to life in the MCU. While it’s unclear how Marvel will explain why Doom looks like Stark, there is another thing connecting these iconic characters that deserves exploration in Avengers: Doomsday, too. Both Iron Man and Doctor Doom wear metallic armored suits, which prompted Downey’s “new mask, same task” comments last year, and these suits may be more similar than we originally expected.
Doctor Doom Doesn’t Use Nanotech for His MCU Costume

The bulk of The Fantastic Four: First Steps saw Pedro Pascal’s Reed Richards, Vanessa Kirby’s Sue Storm, Joseph Quinn’s Johnny Storm, and Ebon Moss-Bachrach’s Ben Grimm battle Galactus (Ralph Ineson), who sought the Power Cosmic contained inside Reed and Sue’s newborn son, Franklin. They eventually succeeded with the help of Shalla-Bal’s Silver Surfer (Julia Garner), enabling Franklin to grow up into an intelligent young boy. The Fantastic Four: First Steps’ mid-credits scene reflected this, taking place four years after Galactus’ attack on Earth, but this scene debuted yet another terrifying villain.
It was Robert Downey Jr.’s Doctor Doom who showed up in The Fantastic Four: First Steps’ mid-credit scene โ making his first uncredited appearance in the MCU. We didn’t see Doom’s face, but Franklin Richards did, as the hooded supervillain held his metal mask in his hand while Franklin reached out to Doom’s presumably-scarred face. This proved one crucial detail about Doom’s suit of armor โ it won’t be made using nanotechnology. This means that Robert Downey Jr will be returning to his MCU roots by bringing Doom to life, as Tony Stark’s first few suits weren’t nanotech either.









