Don Cheadle recently appeared on Conan O'Brien where he discussed wearing the War Machine suit.
Cheadle remarked that it's a lot heavier than Robert Downey Jr.'s Iron Man suit, with jokes of being racist mentioned.
See the video below for more.
While Don Cheadle wouldn't confirm that War Machine is returning, James Rhodes is confirmed for The Avengers 2 as an article previously stated he has a part in the next Avengers movie.
Conan airs weeknights on TBS at 11pm ET.