If you need to manually create a subtitle entry for the beginning of the film, the format should look like this:
Because this filename is a standard release format, you can typically find matching subtitles on major databases. Look for "M3GAN 2023 2160p WEB-DL" to ensure the timing (sync) matches your video file: OpenSubtitles 2. Creating a "Piece" (Creative Writing) subtitle M3GAN-2023-MA-WEB-DLM3GAN.2023.2160p.M...
The text you provided appears to be a specific for a high-definition (2160p/4K) web-download version of the 2023 horror-comedy film M3GAN . If you need to manually create a subtitle