Heads of State” is Prime Video’s latest original movie that unites Idris Elba and John Cena as unexpected allies on the run, and it’s streaming now.

Elba, whose career includes a lot of what might be called prestige genre, has such natural poise and gravity that one assumes he's done all the Shakespeares and Shaws and Ibsens, but "The Wire" and " Luther " were more his thing.