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