I’m convinced that Marvel Studios is gearing up for its most mind-bending twist yet in regard to Robert Downey Jr. playing Doctor Doom in Avengers: Doomsday. With RDJ’s shocking return to the MCU timeline in 2026’s Avengers: Doomsday, many are buzzing with theories. Yet there’s one explanation that’s so strange, so specific, and so Marvel, that it might actually be the real answer. Indeed, a forgotten issue of Marvel’s What If...? offers the perfect way to explain why the MCU’s Doom looks like Tony Stark.