Mortal Kombat 1 is playing things a bit differently than past reboots, but that doesn't mean "sidelined" characters won't return later on.
Mortal Kombat 1' Steam Deck Review – Verified but Should've Been a Lot Better – TouchArcade
Mortal Kombat 1's Kameo fighters could also be regular roster characters
How To Unlock All Kameos In Mortal Kombat 1
Mortal Kombat 1's Kameos Put Its Newest Franchise Tradition into Question for MK2
Mortal Kombat 1's Kameos Put Its Newest Franchise Tradition into Question for MK2
Every Mortal Kombat 1 Character, Kameo Fighter & DLC Reveal
Why do kameos get zero seasonal skins? They're in every single match and they get nothing. : r/MortalKombat
Looks like guest character Kameos are going to be a thing in Mortal Kombat 1
Why NetherRealm went with a Kameo mechanic for Mortal Kombat 1