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