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