Over the years we've had many secret characters on the mk universe
The question is In MK9 who can redo reptile's role from MK1 or Noob, jade or smoke's role in MK2?
Where you find your way and fight a unplayable character
Ruby or Skarlett (The red lady)
Blaze (MK2 OR MKDA Appearance)
Someone from the Pit II (on the other side of the bridge where hornbuckle used to be) Jumps to fight you