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