Hi Mortal Kombat friends,
just maybe an interesting thing to know for all of you who have either purchased the Mortal Kombat Premium Edition or the Kombat Pack in addition to the base game: The Kombat Pack should contain Shang Tsung, Nightwolf, Terminator T-800, Sindel, Joker and Spawn.
As you all know, Shang Tsung, Nightwolf and Terminator T-800 were available at Stadia launch. Sindel came some weeks later.
I wrote the Mortal Kombat support a few days ago regarding the missing characters Joker and Spawn and got this answer:
Maybe just good to know for you as well.