Set in the Gold-Verse Expanded Universe, Killzone the Assassin travels back in time to kill a young Oliver Quinn, destined to act as father to humanity's savior, Commander Ghost, before he becomes the super hero known as Robo-Knight. Oliver, meanwhile, sets out on an adventure to avenge the death of his father. The problem with fathering the Chosen One, is that humanity's fate falls into your hands, which is the burden that Oliver must journey with.