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