Thanks.
If there is a new militaristic CS it probably means an old militaristic CS has been turned into a full civ.
Militaristic CS I remember:
Almaty
Budapest
Belgrade
Hanoi
Sidon
Valletta
If you correctly remember that Sofia is militaristic and I correctly remember all militaristic CS (although I've probably forgotten one or two) than I think we'll probably see Hungary or Serbia.
I would say Vietnam for some odd reason. It fits the time period they are dealing with.
Although, Serbia would be nice too. Maybe Phoenicia will be added due to the new trade routes.