Robert Downey Jr. played Iron Man for 11 years, which he was worried might risk his strengths as an actor.
Robert Downey Jr. Concerned Iron Man Atrophied Acting Skills
MCU Head Kevin Feige Says Robert Downey Jr. Won't Reprise Tony Stark's Role: We Would Never 'Magically Undo' His Death : r/entertainment
Robert Downey Jr. Worried That Playing Iron Man For 11 Years Would Hurt His Acting
Robert Downey Jr Had a Surprising Reaction After Getting Seriously Injured in Iron Man 3
Iron Man is all set to Suit Up; Robert Downey Jr. is back in MCU? read details
10 Iron Man Moments That Prove Robert Downey Jr's MCU Acting Fear Wrong
TIL an Iron Man scene was taken from Robert Downey Jr.' s own life when the character he played, Tony Stark, screamed for a cheeseburger and then determined he would stop manufacturing
Is Robert Downey Jr Sick? What Illness Does Robert Downey Jr Have? Does Robert Downey Jr Have Cancer? - News
Robert Downey Jr. Won't Return To Marvel After Negotiation Talks Fall Through