lvl up till you get a killstreak token or something go onto assualt killstreaks - care package (you must be using assault killstreaks support drops a fake one that blows up)
press right with the directional pad
No
Yes
Yes, there is online multiplayer on Call of Duty 4: Modern Warfare.
there is none
no but your just going to have to look on modern warfare 2 online
Jtags
You cant!!!!!!!!!!!
Call of Duty World at War, Modern Warfare, Modern Warfare 2, Black Ops, and Modern Warfare 3 all have online multiplayer.
Yes, it is the beta for modern warfare 3 online, only available on PSN and MAC
No. None of the Modern Warfare series have been 2 player online (aka. online split screen).
You can in splitscreen mode, but not online.