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