Not seeing Zlatlan, Tlanqua or The Heart of the Jungle in Mortal Empires is a little bit disappointing.
Specially considering that CA just needed a very small expansion Southwards to add them. It wasn't going to break the game.
Also it would've made Lustria more interesting as it would've added a couple of provinces in there as well.
I really hope that they do add them in the future. Lizardmen in Southlands will make Tomb Kings and Araby Campaigns very fun.