You should be able to play as her right now. The Kombat Pass on Stadia didn't give early access to Sindel as you can read here: https://mortalkombatgamessupport.wbgames.com/hc/en-us/articles/360021910...
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You should be able to play as her right now. The Kombat Pass on Stadia didn't give early access to Sindel as you can read here: https://mortalkombatgamessupport.wbgames.com/hc/en-us/articles/360021910834-How-to-Download-Sindel-Kombat-Pack-Content-in-Mortal-Kombat-11 "Please note, Sindel DLC and associated character skins will be not be available for Early Access on Stadia."