Mortal Kombat 1 Won't Have Crossplay At Launch - GameSpot

The feature will come later.

Mortal Kombat 1 Removes Cross-Play Weeks Before Launch - FandomWire

Mortal Kombat 11's Next-Gen Upgrade to Support Kross Generation Play - mxdwn Games

Mortal Kombat 1 won't have crossplay at launch, and it's unclear whether it'll eventually come to PC at all

Update: Mention of crossplay as a launch feature has been removed from Mortal Kombat 1's Steam page

Analysis - Review - Mortal Kombat 1, Review Thread, Page 2

Mortal Kombat 11 Ultimate - PlayStation 5 : Whv Games: Everything Else

Mortal Kombat 1 Won't Have Crossplay At Launch - GameSpot

Mortal Kombat 1 Roster Speculation & Discussion Thread, Page 66

Mortal Kombat 1 Crossplay to Miss Launch, Coming Later

Shaggy won't be in Mortal Kombat 11 - KeenGamer

Mortal Kombat 1 Won't Have Crossplay At Launch - GameSpot

Mortal Kombat 1 won't support crossplay at launch