On Call Of Duty 3 (xbox 360) Is It Possible To Play Coop Mode(2 People) In The Campaign?

I have looked and tried about everything i could and turns out that you can’t do co-op campaign. i was upset with it due to that but its still a good game.

2 Player Co-op On Call Of Duty 4 On Xbox 360?

Is there 2 player co-op on Call of Duty 4 on Xbox 360? if so, how do u set it up?