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