Yes there is a Call of Duty 4 for the PS3, depending on where you live, go head on down to your local game store. (e.g. Thunder Bay - EB Games) You'll probably be able to find a cheap used/new copy of Call of Duty 4 for your PS3.
Call of Duty 4 does not have a zombie mode
No there can not be 4 players on Call of Duty Black Ops Zombies on PS3 offline.
everything is
yes and the later call of duty PS3 games also
Call of Duty 4 is a popular first person shooter game on the PS3. It is not possible to play against bots.
The mp5
Yes you can
CoD 4 MW
no no
no
Its called Call of duty modern warfare but as much wait for the next one to come out.
Call of Duty classic Call of Duty 4 Modern Warfare Call of Duty World at War Call of Duty Modern Warfare 2 call of duty black ops call of duty modern warfare 3