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