I slightly dislike how they put Ming in the Feudal era instead of putting it in Renaissance and giving Feudal to Tang or Song. On another hand, wow, so we have almost confirmed split of China (and India seeing 'Harappa') into several civs in different eras. I love this, now I am only wondering whether they will actually put different one of India/China incarnations into every era (I think not because they get only Qing and China after Ming and three eras left...)
So, my new shot at predicting playable civs in remaining eras we don't know yet:
CLASSICAL
Persia, Greece, Rome, Celts, Ethiopia, Maya, Phoenicia, Korea, Maurya, Han
FEUDAL
Khmer, Arabs, Aztec, Byzantium, Swahilli, Mongols, HRE, Vikings, Gupta, Ming
RENAISSANCE
Turks, Mughals, Inca, Ashanti, Spain, Portugal, Russia, France, England, Burma
INDUSTRIAL
Germany, Italy, Austria-Hungary, America, Mexico, Brazil, Japan, Netherlands, Maratha, Qing
MODERN
Australia, Canada, Nigeria, Kenya, Pakistan, Malaysia, Algeria, Poland, China, India