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