WMG / Kingdom (2019)

The plague will spread all over Asia,and each new season from 3 onwards will focus on a new nation

Season 2 finale reveals that Ming China might be behind the spread of the plague. With this in mind, it's likely that Korea isn't the only target of the attack. Dai Viet, Japan, Mongolia and other Asian kingdoms might also be on the crosshair. Chang and co. will have to travel to these kingdoms and help the local rulers fight the plague.