Movies like Boyka: Undisputed IV

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 when a new prison fight tournament begins - an international affair, matching the best fighters from prisons around the globe, enticing them with the promise of freedom for the winner - Boyka must reclaim his dignity and fight for his position in the tournament.

Monroe Hutchens is the heavyweight champion of Sweetwater, a maximum security prison. He was convicted to a life sentence due to a passionate crime. Iceman Chambers is the heavyweight champion, who lost his title due to a rape conviction to ten years in Sweetwater. When these two giants collide in the same prison, they fight against each other disputing who is the real champion.

In Los Angeles, an ex-con takes the underground fighting world by storm in his quest to fulfill a promise to a dead friend.

Heavyweight Champ George "Iceman" Chambers is sent to a Russian jail on trumped-up drug charges. In order to win his freedom he must fight against the jailhouse fighting champ Uri Boyka in a battle to the death. This time he is not fighting for a title, he is fighting for his life!

A man must survive a prison where hardened criminals battle to the death for the warden's entertainment.

Two feuding brothers of differing political views, one a policeman, the other a martial artist, join forces to avenge the death of their father, a retired agent who was brutally murdered by the mafia.

Prequel to the first Missing In Action, set in the early 1980s it shows the capture of Colonel Braddock during the Vietnam war in the 1970s, and his captivity with other American POWs in a brutal prison camp, and his plans to escape.

Mason Storm, a 'go it alone' cop, is gunned down at home. The intruders kill his wife, and think they've killed both Mason and his son too. Mason is secretly taken to a hospital where he spends several years in a coma. His son meanwhile is growing up thinking his father is dead. When Mason wakes up, everyone is in danger - himself, his son, his best friend, his nurse - but most of all those who arranged for his death

A westerner named Casey, studying Ninjutsu in Japan, is asked by the Sensei to return to New York to protect the legendary Yoroi Bitsu, an armored chest that contains the weapons of the last Koga Ninja.

A former assassin, known simply as The Bride, wakes from a coma four years after her jealous ex-lover Bill attempts to murder her on her wedding day. Fueled by an insatiable desire for revenge, she vows to get even with every person who contributed to the loss of her unborn child, her entire wedding party, and four years of her life. After devising a hit list, The Bride sets off on her quest, enduring unspeakable injury and unscrupulous enemies.

After working as a drug courier and getting into a brutal shootout with police, a former boxer finds himself at the mercy of his enemies as they force him to instigate violent acts that turn the prison he resides in into a battleground.

Danny is a young cop partnered with Nick, a seasoned but ethically tainted veteran. As the two try to stop a gang war in Chinatown, Danny relies on Nick but grows increasingly uncomfortable with the way Nick gets things done.