sure you can. A MKV file is just a container. It can contain multiple subtitles, audio and video streams. If you want, you can even add your own or delete unwanted ones. just download MKVtoolnix and start up mmg.exe.
Hardware: Ryzen 3700x, B450 MSI Gaming Pro carbon AC, GTX1080, 32 GB 3200 Mhz cas 14, 256 EVO SSD, 1 TB EVO SSD and 4 TB HDD.
Console: xbox, wii and xbox 360