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