Looks like .it accidentally leaked Kombat Pack 1 rosters for MK1 : r/GamingLeaksAndRumours

Kombat Pack” DLC for 'Mortal Kombat 1' Apparently Leaked - Bloody Disgusting

Mortal Kombat 1 leak claims Pack 2 includes Doomguy, Harley Quinn, more - Dexerto

Mortal Kombat 1 DLC leaks include Ghostface, Jade, and more

Leaked New Characters for Mortal Kombat 1

Mortal Kombat 1 DLC Confirmed, Includes Homelander, Peacemaker - PlayStation LifeStyle

Mortal Kombat 1 Adds Three More Characters, Leaked DLC Fighters Including Homelander Confirmed - GameSpot

MORTAL KOMBAT 1 - Kombat Pack 2 DLC Characters & Kameo Fighters LEAKED?!

This would be a DECENT Kombat Pack 2 ( All Female List ) ( someone added Kung jin to be funny I'd replace him with Unknown from Tekken or Skarlet from MK9 ) @

MORTAL KOMBAT 1 - Kombat Pack 2 DLC Characters LEAKED! (Ghostface, T-1000, Noob Saibot & More)

Mortal Kombat 1 Kombat Pack 1 DLC Roster Leak Confirms Previous Rumors