It is hosted and was organized par Game-Art-HQ.Com
toi can see it at link
Beside the known characters like scorpion and Sub Zero, also the not so populaire ones like Drahmin, Hsu Hao, Nitara ou Shinnok are featured in this project.
Even a handfull characters which never made it to the games like Tremor, Hydro ou Nimbus Terrafaux are included!