Robert Downey Jr. says he could not see out of the original helmet in 2008's Iron Man. 1 / 7
Before they began using CGI for the suit, Marvel built an actual one that the actor would wear. 2 / 7
In an interview with David Letterman, Downey Jr. said he could not see and, in future films, refused to wear the helmet. 3 / 7
Downey Jr.'s tenure as Iron Man ended in 2019's Avengers: Endgame, when Tony Stark sacrificed himself to kill Thanos. 4 / 7
The original Iron Man film kicked off the MCU, now the highest grossing film franchise in the world. 5 / 7
Downey Jr.'s iconic take on the character is cited as one of the reasons for Marvel's initial success. 6 / 7
Plans for the future of Iron Man are uncertain, as Downey Jr. said he is done with the films. 7 / 7