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