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