Whether you like it or not , Robert Downey Jr. is the new Doctor Doom of the Marvel Cinematic Universe and fans are giving us a look at what well see in the upcoming Avengers: Doomsday . In 2019, Marvel Studios did the practically unthinkable and killed off Tony Stark, AKA Iron Man, the superhero that Robert Downey Jr. had played since the very first MCU movie in 2008. The epic film concluded the...