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