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