Ranking the series
Thus far:
1. World At War
2. Black Ops
3. MW 2
4. MW 1
5. MW 3
6. Black Ops 2
7. Advanced Warfare
8. Call of Duty
9. Call of Duty 2
10. Call of Duty 3
11. Ghosts
12. Black Ops 3
Thus far:
1. World At War
2. Black Ops
3. MW 2
4. MW 1
5. MW 3
6. Black Ops 2
7. Advanced Warfare
8. Call of Duty
9. Call of Duty 2
10. Call of Duty 3
11. Ghosts
12. Black Ops 3