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