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