If he does appear or not, he could join forces in Outworld and work with Shang Tsung. And will be a threat to Earthrealm since both Shang Tsung & Quan Chi are powerful sorcerers. Or could be pulling the strings for the tournament bts and be revealed in the end credits as the big bad for MK3. And could explain why Scorpion is in the Netherrealm.

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