WB Games Support on Twitter: "We're aware XB360 Mortal Kombat Komplete Edition disc owners were encountering issues with accessing all of the content when playing on Xbox One and Xbox Series X|S
Mortal Kombat - IGN
Mortal Kombat Komplete edition - XBox 360 Games (Like New) - Gameflip
Mortal Kombat Komplete Edition (Microsoft Xbox 360, 2012) DISC ONLY Tested Works | eBay
Mortal Kombat Komplete Edition has disappeared kompletely from Steam | GamesRadar+