Re: Downey's last?
I think he will just do the Avengers Sequels and after that Marvel will have recast someone else I mean 3 Iron Man movies and 3 Avengers Movies is good enough for him
2016 The Epic Year of Superheroes on Screen: Batman, Superman, Wonder Woman,
Spider-man, Iron Man, Captain America, Falcon,
Ant-man War Machine Black Widow
Scarlet WitchProfessor X
Black Panther, Gambit, Storm, Cyclops, Marvel Girl, Nightcrawler, Deadpool, Colossus