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