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