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