Chronological order of the Alien movie universe
1. Alien vs. Predator
2. Aliens vs. Predator: Requiem
3. Prometheus
4. Alien: Covenant
5. Alien
6. Aliens
7. Alien 3
8. Alien: Resurrection
Instruction: Chronological order of the Alien movie universe
Context: 
Response: 1. Alien vs. Predator
2. Aliens vs. Predator: Requiem
3. Prometheus
4. Alien: Covenant
5. Alien
6. Aliens
7. Alien 3
8. Alien: Resurrection