Fans bash ‘lazy’ Robert Downey Jr’s return as Doctor Doom: Marvel ‘reduced itself to cash grabs’ New York Post Gwyneth Paltrow Reacts to ‘Iron Man’ Co-Star Robert Downey Jr.’s Shocking Marvel Return as Doctor Doom: ‘I Don’t Get It, Are You a Baddie Now?’ Yahoo EntertainmentWho is Doctor Doom? Robert Downey Jr.’s shocking Marvel casting explained USA TODAYRobert Downey Jr. Sets Marvel Return as Doctor Doom in ‘Avengers: Doomsday’ VarietyRobert Downey Jr. is returning to the Marvel Cinematic Universe in new ‘Avengers’ movie CNN