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