the 3 sets have already been released last summer
Some come with Call of Duty Black Ops and Call of Duty World at War and others are in the DLCs for those games and must be purchased.
no different maps
Sorry, but no, you have to buy them all
You must have Call of Duty World at War for the PC and the extra Maps come with the games updates
They are purchased as download Map Packs for Call of Duty World at War
no
It will, but the game won't come with the four original maps from Call of Duty: World at War.
No
The game for the PS2 is Call of Duty World at War Final Fronts and you can not use the maps for the other game or have the Nazi Zombies from the maps
There are currently no multiplayer maps available for Call of Duty 6 or Call of Duty: Modern Warfare 2. When they come out, they will be on the Xbox Live marketplace, The PlayStation Store, or on the Internet.
No the Call of Duty World at War maps for zombies are for the PS3 and Xbox 360 games
Umm....... You can.