It sounds like you want to watch Venom: Let There Be Carnage (often called Venom 2 ) dubbed in (“Mongol heleer”).
If none of those work, the movie is no longer widely available in Mongolian dub. In that case, your last option is contacting on Facebook – they might know if a re-release or streaming re-license is planned. Venom 2 Mongol Heleer Shuud Uzeh