Duke was one of the Marines who survived the destruction of the Sephora and Sulaco, making it safely to LV-426. He later fought Xenomorphs alongside Angie Duplis and Clark inside the Hadley's Hope Operations center. When Corporal Winter arrived, he assisted the three Marines in fending off a Xenomorph attack in what was left of Operations. Duke was ultimately killed alongside Clark by corrosive injuries.
was outfitted with standard-issue M3 Pattern Personal Armor and an M10 Pattern Ballistic Helmet, which he decorated with an eye decal, for protection; his armor was fitted with a TNR Shoulder Lamp attachment for illumination. He also carried several spare rounds strapped to his combat vest. He had several pouches on the waist around his belt. He also had a pouch on the left side of his left leg armor. Duke carried an M41A Pulse Rifle MK2 and an M4A3 Service Pistol.
- Duke will very rarely survive the attack but since he is never seen again, it can be assumed that he is supposed to die.
- Duke reuses Maio's head model.
- Aliens: Colonial Marines (video game)