Board Thread:Mortal Kombat X/@comment-3513642-20150417213926/@comment-3303402-20150427074054

108.210.42.150 wrote: Where the hell is Kuai Liang Sub-Zero and Hanzo Hasashi Scorpion Hanzo Scorpion is acquired through Story Mode.

Kuai Liang Sub-Zero... no idea where it is in the Krypt, but you can unlock it for free by playing a Klassic Tower with him. All characters unlock their first alternate costume for free after completing a Klassic Tower with them.