You can view the original trailer for this 1977 masterpiece here: Cross Of Iron | Trailer StudiocanalUK YouTube• Jun 3, 2011 Key Details about the Movie:

The .mkv extension indicates a Matroska video container, often used for high-quality rips that include multiple audio tracks (like the Polish "PL" track) and subtitle options.

The file refers to the Polish-dubbed or subtitled version of the classic war film " Cross of Iron " (Polish title: Żelazny Krzyż ), directed by Sam Peckinpah .

Released in 1977, the film is renowned for being one of the few Western-produced World War II movies told from the on the Eastern Front. It stars James Coburn as Corporal Steiner, a battle-hardened veteran who finds himself in a bitter conflict not just with the advancing Soviet army, but also with his own ambitious and aristocratic commander, Captain Stransky (played by Maximilian Schell).

If you are looking for a place to watch it with Polish translation, you might find it on European streaming platforms or specialized archives like OK.ru .