Board Thread:Mortal Kombat X/@comment-1772284-20140620185345/@comment-24175425-20140713164037

I think the 8 returning characters are

Scorpion and Sub-Zero confirmed,Raiden(confirmed) and Johnny Cage and Sonya Blade (they survived MK9)Lu Kang (apparently he's the main charecter of the MK games) Reptile (Reptile is Amazing but also they need him for Onaga) and Quan Chi (or Shinnok)