Team would be: TheVirus (He probably knows good bars that would be make good safehouses, and his endless supply of liqour would be useful for molotov cocktails.) Kappa The 3rd (A master of herbal healing methods.) Kingswat (In case we run into old lady zombies, he can taze them.) Awacs (He will make sure that our survival is well documented, plus he can stay in a vent for days on end) and ....
Guns:M4A1, Deagle.
Meele:Dildo? Or Lacrosse sticks.
Backpack: Food. Porn. Pot. Beer. Porn. Map with known locations of beer and porn.
Start off at: A prison (TheVirus would be in for drunk in public, Kappa would be doing 3-5 for possesion, I'd be in for aggravated assault, Awacs would be the guy sitting in spectate demoing it all, Kingswat would be a guard and then the zombie outbreak happens and Kingswat lets us out.
Vehicles: The Oscar Meyer Wiener mobile.