Tombstone is an albino man who serves as a hitman and enforcer in the Marvel universe. He has mainly been a Spider-Man villain.
She is a Wolverine villain in an alternate reality.
She is a Batwing villain who controls a crime syndicate in South Africa.
One of Aquaman’s greatest rivals, Black Manta, fights the King of Atlantis because Aquaman killed Black Manta’s father by accident for attacking Aquaman’s father.