If watching through a browser, you can manage accessibility settings to add specific language packs for live captions.
Open the movie file, go to the View menu, select VLsub , search for "Lost Bullet 2," and select Serbian as the language. Lost Bullet 2: Back for More subtitles Serbian
As an original production, Netflix typically provides official Serbian subtitles directly in the player's "Audio & Subtitles" menu. If watching through a browser, you can manage