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