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