User blog comment:Drkdragonz66/Black Ops II - 8 Players and Zombie Story Mode hinted/@comment-3466346-20120504064932/@comment-3466346-20120504065210

Drop in/out, that's what I want. Also host migration. How realistic that is I don't know but if they are using the multiplayer engine I'm guessing it could be possible. I doubt they would piss off 7 people every time they get a match where 1 kid needs to go to bed or something.