Since Jeff asked the question in the article, I figured a poll would be a good idea.
 
I think the likeliest scenario is that Treyarch makes a silly explanation as to why the Nazi Zombies are back from the undead, and keep on using Nazi Zombies.

Zombie liberation army.  ZLA

Zombie Ops.

Animus Zombies.

Zombies Mode.

Call of Zombie: Modern Zombie 3

"Zombies who aren't really the bad guys, but we have to fight them anyway even though we may acually be the bad guys."

Zombie Faction: Guerrilla
 
Infinity Zombies
Zombie Ward
*Insert Infinity Ward is dead joke here*

Call of Death: Modern Gravefare

no zombies

Hmm. Black Ops. Zombies.
 
Well I might as well put two and two together.
 
Black Zombies.

" Zombie Faction: Guerrilla  Infinity Zombies Zombie Ward *Insert Infinity Ward is dead joke here* "

" Hmm. Black Ops. Zombies.  Well I might as well put two and two together.  Black Zombies. "

I'm thinking it'll simply be Zombies, or Communist Zombies. Assuming all the incidents in the game were from communist countries, or against a commie threat. 

Insubordbies  mode.

Hopefully there won't be any zombies.

ALIENS 

" Zombie Ops. "

If Activision has their way : G.A.Y.S 

• Genetically
• Altered
• Yankee
• Soldiers

they're smart guys so im sure they could work it out for themselves.

" Hopefully there won't be any zombies. "

He should call them, incompent overated second rate developer compared to infinity ward before.

 
I know that's really long to say, however that's what treyard should calle them.