In Call of Duty: Black Ops, to go on multiplayer you have to go to multiplayer on the menu that says: CAMPAIGN MULTIPLAYER ZOMBIES OPTIONS
no.
yes it will.
Yes.
Yes, Call of Duty: Black Ops will have online multiplayer just like many other Call of Duty video games.
no , but call of duty modern warfare reflex (cod4) has
No
It automatically comes with the multiplayer!
of course on multiplayer
Yes
you can get it at campaign or unlock it on multiplayer
By ranking up