Zombies details:
>8 playable characters, BO6 crew and BO7
>They interact with each other like Alpha Omega, A lot of dialogue for them.
>New crew, they aren't Primis or Ultimis, these are canonically gone for good
>Tranzit 2.0 is the biggest map ever
>No bus, Wonder vehicle like MWZ
>The road between the areas doesn't follow the classic round based mechanics
>Survival Farm is back
>Survival maps are back, they don't have any easter eggs whatsoever