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