https://www.mortalkombat.com/en-us
https://www.mortalkombat.com/en-us/faq
https://twitter.com/Wario64/status/1659181777229950977 - re: cross play appearing and then being removed from the FAQ.

Cross play seems like it might or might not happen. But do we have any players here? If so, post your platform and if you want, your name so others can add for 9/19.

Xbox
zeke009