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