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