Marvel recently blew the roof off SDCC, announcing that Iron Man actor Robert Downey Jr. is returning for Avengers: Doomsday as the movie canon’s Doctor Doom. It’s a move with a lot of precedent in the comics, even though diehard Marvel fans are understandably disappointed that the ‘real’ Victor von Doom seemingly won’t exist in MCU continuity. But what stories could Marvel be adapting with its new Doctor Doom? Not only do we have an exhaustive overview, but we’re pretty sure we know how Tony’s transformation into Doctor Doom will happen.
https://screenrant.com/how-iron-man-become-doctor-doom-comics-infamous/