You must beat story mode.
To unlock Quan Chi, you have to finish the story mode
I am sad to say that there may be no MK10, because if you do story line for MK9 (SPOILER) almost every Kombatant die. The only people who dont die are Quan Chi, Raiden, and Shinnok.
no
quan chi is just an atagonist so you can not play as him
you can't even fight quan chi in deception
no you have to unlock him in challenge tower
Beat the Story
a character from mortal kombat
no
he was killed by his assassin sarrena
Most people think tai chi, aka tai chi quan
team sonic.