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