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