Robert Downey Jr Offers Stephen Colbert an Open ‘Avengers’ Position – But Not THAT One (Video) “It’s going to go up the tree to Feige. We’ll see where it lands,” Iron Man tells ColbertJennifer Maas | February 8, 2021 @ 7:00 AM Last Updated: February 8, 2021 @ 7:35 AM After seeing Stephen Colbert’s rather impressive impression of himself as Tony Stark a.k.a. Iron Man, Robert Downey Jr. was excited to offer the “Late Show” host a spot in the Avengers lineup, now that there is an opening. No, it’s not as the new Iron Man, following the death of — spoiler alert — Tony Stark in “Avengers: Endgame,” but as the assistant of another Avenger.