I like them all.
Personally, I'd get the season pass. You may not like Die Rise, but it would be nice to say you have it and can play it anytime. Besides, if you're an easter egg fan you have to have it.
Call of Duty Zombies (CODZ) is a fan-managed gaming community centered around the popular Call of Duty franchise with central focus on the Zombies mode. Created in 2009, CoDZ is the ultimate platform for discussing Zombies theories, strategies, and connecting players.