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