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