The Punisher from Marvel. (enter the Warzone, Nightmare and 2011-2012 feats and weapons)
Big Boss from Metal Gear. (has all weapons from Peace Walker and Snake Eater and can call in ammo like in Peace Walker)
Deathstroke from DC. (no nth metal armor and New 52 weapons and feat)
They will go up against
T-101 from Terminator (have all weapons from movies), Old Robocop (have all his gadgets and weapons from movies) and not Death Star version of IG-88 (Star Wars: Old EU, have all his weapons, but not ships or Death Star).
Fight takes place in the setting of I Am Legend (no vampires).
Who will win?