As Modern Warfare 3 lives on, Sledgehammer games have added more creative ways to take out your enemy. From getting quickscoping kills to double kills, there’s no shortage of innovative ways to down a foe. For Season 3 of MW3, a challenge requires eliminating your enemy after you’ve died. Sounds confusing right? Well it’s called Posthumous kills, and we’ll show what they are and how you can get them in MW3.MW3: What are Posthumous kills and how to get themDo you remember during Halo 3 multiplayer matches when you’d kill an enemy Spartan after you’ve died and got the “Kill From the Grave” badge? In MW3, the rules are the same. Not to be confused with Close Call kills which are different. These kills can be hard to pull off because being dead can make them a bit of a challenge. But if you’ve played games like Halo 3, it might just come naturally. So that same awesome feeling you got in that game might be found in MW3.Image: Sledgehammer GamesHow …