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