Can't Download Sub-Zero PS4 fix: Go to the actual store, not the store within the game itself. Search Injustice 2 and go to the Add-ons. There should be a Sub l-Zero add
Amazon.com: Injustice 2 - PlayStation 4 Standard Edition : Whv Games: Video Games
Injustice™ 2 - Legendary Edition
Injustice™ 2 - Standard Edition
Amazon.com: Injustice 2 Legendary Edition (PS4) : Video Games