|Kai and Nya's Mother|
Maya is Kai and Nya's mother, the wife of Ray, and the previous Elemental Master of Water. She was seen in a flashback in "Spellbound" . It was confirmed at the 2015 Comic Con that she was indeed Kai and Nya's mother. 
The Tournament of Elements
Maya appeared in flashbacks during this season, fighting alongside the other Elemental Masters against the Serpentine.
In this season it was revealed that Maya was Nya's mother, thus making Nya the heir to her powers with the potential to become the Ninja of Water.
At the conclusion of this graphic novel, Sensei Wu has a vision of Maya and her husband.
In this special Kai and Nya celebrate the memory of their parents at their shop.