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