Why Sub-Zero Is Mortal Kombat 2021's Villain (Not Just Scorpion's Rival)

Sub-Zero is first villain in Mortal Kombat series.
Sub-Zero Is the main villain in 2021's Mortal Kombat, not just Scorpion's rival, because they want to stretch the source material into a series.

How did the rivalry between Sub-Zero and Scorpion start? - Quora

Mortal Kombat- Scorpion by GavinoElDiabloGuapo on DeviantArt

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