During Vietnam War Era: Some missions will take place during this era but wont necessarily involve the war itself.
Soviet Union Ops: Some missions will involve you playing as the Soviets
Alternate forms of ammo: You can customize your loadout for missions with different kinds of ammo. Example; Dragons Breath Shogun with incendiary ammo.
One level, multiple characters: You can play multiple characters in one level
Modern Warfare 2 Engine: Black Ops will use same engine with upgrades, namely water effects
Lots of water: some levels will involve lots of water, namely swamps??
-Stay tuned for the latest and greatest from Madman56. Til then see you online in MW2!