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