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