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