Bio: A variant of Abyss appeared in the alternate timeline of the Age of Apocalypse, in which he was one of Apocalypse's Horsemen, a nihilist with a warped sense of humor. This Abyss has a slightly different appearance but essentially the same powers and is "evil". The Age of Apocalypse version of the character appeared prior to the 616 version.
Abyss was rumored to have been a prisoner of Sinister's Breeding Pens, from which he broke out. But instead of rebelling against Apocalypse, he joined his forces, attaining the rank of Horseman after killing Bastion. Abyss became attached to the religious institutions of Apocalypse's regime: The Madri and the Brotherhood of Chaos. He joined them in their attack against refugees escaping from North America and was defeated by Quicksilver and Storm. Seeking revenge, Abyss faced Quicksilver and Banshee at the Temple of the Madri, though Abyss died when Banshee sacrificed himself by flying inside of the Horseman's void and activating his powers.