I've been playing cod since the beginning. In the black ops series I personally believe BO1 is the greatest BO of all time, with BO2 right behind it. Now I'm gonna get flack for this.. But I think BO4 is better than BO3.
Boots on the ground. Loved the self heal mechanic. Great guns, maps, it felt great. BO3 was just an overall mid BO game. Worse than BO4.
AW is the best boost jumping cod of the three, but idk. The game I never really was in love with. I don't hate it. But it's just. Mid.