yes but i dont think it makes a differents you still get the same guns
on split screen, no, on live, yes
yes
you cant
it depends on the game type, like if u play local u dont but online yes but if u get like to prestige, if u get it u prestige he dont on the profile u made for him/her they dont.
You can only do split screen if the person you are playing with is with you.
You can not play split screen on multiplayer. It also left me confused
You can't
No, you may not play Split Screen!
Call of Duty: Modern Warfare 3 for Wii doesn't have split screen because the Wii doesn't have enough RAM to handle split screen.
no
no not possible
No. None of the Modern Warfare series have been 2 player online (aka. online split screen).