Robert Downey Jr. as Doctor Doom is the wildest MCU twist yet! This new fan art for Avengers: Doomsday shows the Avengers, X-Men, and Fantastic Four teaming up against a massive Doombot army. The real drama? Downey Jr. flipping from Iron Man to Doom, and all the rumors about surprise hero returns. Fans are split—will this be the MCU’s biggest crossover ever or just too much? #Entertainment #Comics #AvengersDoomsday