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