Mortal Kombat 1 may feature returning characters from MK4

Ed Boon has teased some familiar faces coming to the Mortal Kombat 1 roster.

Kai, Mortal Kombat Fanon Wiki

Mortal Kombat 1 Kameo Fighters Announced Alongside Main Roster

Mortal Kombat 1 Fans Think MK4 Character is Being Teased for the Game

Scorpion (Mortal Kombat) - Wikipedia

Kitana - Wikipedia

Mortal Kombat 11 Aftermath expansion continues the story, adds Robocop and costs $40

Mortal Kombat 1 fans think long forgotten MK4 character is returning - Dexerto

Mortal Kombat X - 5 characters that missed the cut

Johnny Cage busts out his movie narration chops in Fujin's new trailer for Mortal Kombat 11: Aftermath

Do the movesets of all the characters change with every Mortal Kombat game? - Quora

Mortal Kombat – Kitana / Characters - TV Tropes

Forgotten fighters. I'm amazed that these characters haven't been playable since 2006's Mortal Kombat Armageddon. Nearly half of that roster. : r/ MortalKombat