No, no CoD supports this feature.
Yes you can play 2 people online on one console.
yes
No, you cannot play cod world at war online with two players on same console and samething goes for call of duty 4. But you can for halo 3.
On xbox 360 yes.
Which Call of Duty are you reffering to. What console is it on. Be more specific,
Buy the Call of Duty Black Ops game, put the game in your PC or game console that has an online connection.
you cant play against people on other systems. the console makers wont agree to share servers and players (customers)
yes
Call of Duty Call of Duty 2 Call of Duty: Finest Hour (sort of a console port) Call of Duty 2: Big Red One (sort of a console port) Call of Duty 3 Call of Duty 4: Modern Warfare Call of Duty 5: World At War Call of Duty Modern Warfare 2 Call of Duty Black Ops This does not include DS, Wii or PSP ports. I believe that makes 9.
You can only play with people who own a WII console
Well on the fact Call of Duty is the most popular Console based game if it didnt have online no one would buy it. Yes it does. it also has new map packs and nazi zombies online, not to mention co-op campaign online
Millions of people play Call of Duty online. About 11 million accounts have been made and played on Black Ops.