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