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