Iron Man and Doctor Doom will both be played by Robert Downey Jr. in the Marvel Cinematic Universe , but the two Avengers characters have different power levels. After leading some of the MCU's biggest movies , it seemed like Downey was truly done with the franchise. However, he is set to lead Avengers: Doomsday 's cast as Doctor Doom, adding another MCU role to his legacy.

Given that Downey is the MCU's most prominent actor, several theories connecting Iron Man and Doctor Doom have emerged since his return in the upcoming Marvel movie was announced. A few of those include Downey reprising his role as Iron Man, be it through the multiverse or time travel, to defeat Doctor Doom. If that were to happen, here is how their powers compare:

Iron Man's MCU Powers Explained

Tony Sta

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