Image credit: Infinity Ward, Activision, Eurogamer.

Modern Warfare 4's DMZ extraction shooter mode has only been out for two days - and only for those who pre-ordered the game - but already players are up in arms over a particular trait that allows competitors to revive themselves after being killed.

That trait is called Possum, and is one of the many abilities players can unlock as they level up their operators. How it works is this: if the trait is active, you're given the option, once per match, to revive yourself on command when killed. Doing so places you in a Last Stand state, and you'll need to pick yourself up from this vulnerable downed position to continue playing. All together, getting back into the firefight from dead takes around 10 uninterrupted seconds. You also lose any loot you've gathered when you revive - so you're back to square one.

Here's a trailer for the DMZ bounty system.…