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