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