Corrupted game files can cause performance issues in Mortal Kombat Komplete Edition. Try verifying the game files to ensure they are intact:
If your graphics settings are set too high, it can cause slowdowns. Try reducing the graphics settings to see if it improves performance: mortal kombat komplete edition slow motion fix
If you have tried everything above and Scorpion still moves like he’s in a vat of honey, run through this final checklist: Corrupted game files can cause performance issues in
(MK9) only to find Scorpion and Sub-Zero moving like they're underwater, you aren't alone. This "slow-motion" glitch happens because the game’s logic is tied directly to its frame rate— if you aren't hitting a consistent , the entire game slows down to compensate mortal kombat komplete edition slow motion fix