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