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