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