-movies4u.vip-.them.s02.1080p.amzn.webdl.dual.d...

This file name refers to the second season of the Amazon Prime Video anthology series, Them: The Scare

This string seems to indicate the following details about a digital file:

A supernatural entity that seems linked to the protagonist’s family history.

ffmpeg -i video.h264 -i audio1.ac3 -i audio2.ac3 -map 0:v -map 1:a -map 2:a -c copy -metadata:s:a:0 language=eng -metadata:s:a:1 language=hin output.mkv

The string you provided appears to be a specific filename for a digital media release, typically associated with the anthology horror series "