Boyka: Undisputed IV

An assassin is shot by her ruthless employer, Bill, and other members of their assassination circle – but she lives to plot her vengeance.

When Shao Kahn's Outworld barbarians terrorize Earthrealm, Lord Raiden is determined to put an end to the carnage once and for all. This leaves one option: a final Mortal Kombat tournament for the future of Earthrealm – win it or lose everything. Raiden's elite fighters Liu Kang, Johnny Cage, Sonya Blade, and a few new faces kick the action into overdrive as they go head-to-head with Outworld's most bloodthirsty warriors. But deep in the Netherrealm, an unspeakable scheme by the malevolent Shinnok unfolds, threatening to obliterate existence.

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.

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

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

When her husband goes missing during their Caribbean vacation, a woman sets off on her own to take down the men she thinks are responsible.

While on a prison furlough, a lowly criminal evades his guards and returns to his old stomping ground to take revenge on the people who turned him into a cold blooded killer.

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

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.

An amateur fighter is lured by a trafficking syndicate specializing in elite underground fighting where her brutal captor forces her to fight or face certain death.

The amazing true story of Billy Moore, an English boxer incarcerated in Thailand’s most notorious prison. Thrown into a world of drugs and violence, he finds his best chance to escape is to fight his way out in prison Muay Thai tournaments.