Those "two" missions is actually one mission called WMD.
14 i believe
5 Missions, about 6 hours.
There are 15 in the campaign mode
only in the campaign in one of the missions
you cant on demo
no
No, there will not be a demo.
Conner there is a demo. whore
There is no demo, anywhere in the world.
Not yet but I'm pretty sure that there will be. The Call of Duty Black Ops Demo has been released!
No there is not
steam