Do you want to compare Jack Flag with Dr Doom? Discover the powers, weakness & weapons of Jack Flag and Dr Doom from Jack Flag Biography and Dr Doom Biography. Find out all about Jack Flag and Dr Doom.# Check out how is Jack Flag unique and distinct from Dr Doom. Discover their love interest, sidekicks, family tree and the movies and games list in which Jack Flag and Dr Doom have appeared. Find out everything about them here!