To do so, there is a new feature called "Theater". There you can replay the kills itself along adding Slow-motion and different angles. You cannot record kill cams or Round ending kill cams. If you want to do that, you will have to find that kill and record it yourself.
If your talking about going back and seeing them I dont think you can. But you can in Black ops
at least 30 kills
"Hatchet Kills" in Black Ops 2 Multiplayer is referring to kills with the Combat Axe (lethal equipment selection). A Combat Axe is essentially a hatchet, so that is what it is referring to.
Get lots of kills and do challenges
It compares the number of Kills you have gotten online in Black Ops, and also how many times you have died. If you have more kills than you do deaths, then it will be positive. If you die more times than you get kills, it will be negative.
3,672 kills--------1,432 deaths
75
7890666668757625 kills, i know its a lot but it can be done muhahahahahaha
To get the rc-car in black ops wii you have to get a three kill streak. if you have hardline you can get it in two kills.
You Can't
get more kills
Getting a lot kills