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