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