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