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