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