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