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