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