cross-play exists only between platforms in the same box (variation)
cross-play info is taken only from OFFICIAL resources, follow the link and check by yourself:mortalkombatgamessupport.wbgames.com
Mortal Kombat 11 support cross-play feature, that means you can play together with people on different gaming platforms.
On Crosswatch cross-play are grouped by variations, and you can play together ONLY between platforms in the same variation:
Yes! Mortal Kombat 11 supports cross-play, but only with specific variations:
Please look at Mortal Kombat 11 Crossplay Explaining to get more details about other platforms.