Treyarch has not released any information about map packs yet for Call of Duty Black Ops.
"First Strike" is coming to the PS3 version of the game on March 3 according to related link
March 1 or 4
it came out 2-1-11
The first strike map pack cost $15.00
First Strike
Ahnaialation is great better then call of the dead and first strike but there is a new one coming out with all new zombie maps
$15
TBA 2011
It is already.
You go to Xbox live or the PlayStation Store and log on to your account and then download the Call of Duty Black Ops First Strike after paying $14.95 for it
kowloon from the first strike map pack
Yes
No, it is for PS3, and Xbox.