Russian inmate Boyka, now severely hobbled by the knee injury suffered at the end of Undisputed 2. No longer the feared prison fighter he was, he has declined so far that he is now good only for cleaning toilets. But … Scott Adkins, Mykel Shannon Jenkins, Mark Ivanir, Hristo Shopov, Marko Zaror, Michael Baral, Ilram Choi Added on Amazon Prime 2022-05-16. Youtube Trailer