I believe this is the first time seeing Smoke, Rain, and Kung Lao in the game, as well as kameos for Frost, Cyrax, Sektor, Scorpion, and Kung Lao. In the livestream, devs acknowledged that they’ve received the feedback on the movement speed and are working on it. You can also use kameos for movement, like equipping Kung Lao’s kameo to give a character a teleport that wouldn’t normally have one.
Mortal Kombat has always had the most fascinating way to refresh their classic characters. I’m loving the new Lin Kuei