Take a look at the leaked multiplayer map list and descriptions of the single player missions here. Spoilers!
Here is the multiplayer map list:
Carrier: “Chinese Supercarrier. Open engagements on the deck, with great close quarter fights through the hull.”
Cargo: “Port of Singapore. Good for close quarters engagements and verticality.”
Drone: “Hidden drone facility in the heart of the Mynamar jungles. Great long engagements down the center, fun close quarter fights through the facility.”
Express: “Los Angeles bullet train station. Good long to medium engagements up and down the bullet train tracks.”
Hijacked: “Luxurious super yacht. Frantic, yet controlled close quarters engagements.
Aftermath: “Set in a ruined downtown Los Angeles after an invasion.”
Meltdown: “Pakistan nuclear power plant. Battle for control of the nuclear cooling tower and the surrounding facilities.”
Nightclub: “Floating resort in the middle of the Indian Ocean. Tight corners and angles throughout.”
Overflow: “Peshawar, Pakistan. Great urban engagements in the flooded streets.”
Raid: “Fight through this hillside mansion, in the Hollywood Hills. Hectic close quarters engagements.”
Slums: “Run down section of Panama. Great close quarters engagements and tough chokes to fight over.”
Socotra: “Urban streets of Yemen. Tight alleys and close quarters engagements.”
Turbine: “Wind farm in the steep hills of Yemen. Fight across the different tiers and angles.”
Village: “Border town between China and Kyrgyzstan. Classic engagements and destinations to fight over.”
Call of Duty: Black Ops 2 will have a changed mulitplayer mode, according to Treyarch’s David Vonderhaar. He explained that weapon levels aren't lost when you enter the Prestige mode. He talked about the Prestige mode via Twitter:
“Just got this bug from QA. ‘Weapon levels are given after unlocking a gun that was leveled up on a past level progression.’ That’s what we call NAB. Not a bug. If you Prestige and unlock the gun, you’ll pick up right where you left off. If something has been a certain way a long time, the assumption when it doesn’t work the way it has in the past is that it is a bug.”
This means that you unlock a weapon on your first multiplayer playthrough and rank it up to level 10. When you enter the Prestige mode you will lose it, but if you unlock it a second time, it will start off at level 10.
