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