Yes you can.
Go to Multiplayer.
Then SplitScreen.
yes
Yes
If there isn't a download on the store with call of duty, then no. You can play call of duty 3 onwards on the PS3.
No there can not be 4 players on Call of Duty Black Ops Zombies on PS3 offline.
Yes if you mean the Call of Duty series including MW2
its two players offline and 4 players online i have coop its sik :D
4 the coop is sik :D
Not without outlandish modifications - World of Warcraft is a game for PC and Mac.
No but I wish.
Yes you can on split screen
You can play online in Call of Duty Black Ops PS3 using the online split-screen support.
you can not play 2 player on black ops over the wii.only on the ps3 or exbox360