Don Cheadle has played James “Rhodey” Rhodes, a.k.a. War Machine, since Iron Man 2. So he definitely has a good grasp of who the man is and what might be most interesting to explore as Marvel moves into Phase 4. At the TCA winter press tour, he offered his opinion as to whether there is a next chapter in War Machine’s story. He was a bit vague, but he did make it clear he’s open to reprising the role (via Comicbook.com):