UFC 163: Aldo vs Korean Zombie (2013)

A former fighter reluctantly returns to the life she abandoned in order to help her sister survive the sadistic world of illegal fighting and the maniac who runs it.

After a blood- soaked jujitsu match in Dubai, fighting legend Mickey Kelley falls to superstar Blaine. But years later, an online video proves that Blaine cheated, and the world demands a rematch. Can the aging underdog get back into shape in time to vanquish his foe, get revenge, and claim his prize?

In a city infested with the LIVING-IMPAIRED aka non-cannibal zombies - three slackers after easy money must fight small-time crooks and an evil megacorporation to save their kidnapped grandma.

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

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.

Four fighters from different backgrounds come together to train under an ex MMA rising star and then ultimately have to fight each other and the traitor in their midst.

Frank Leone is nearing the end of his prison term for a relatively minor crime. Just before he is paroled, however, Warden Drumgoole takes charge. Drumgoole was assigned to a hell-hole prison after his administration was publicly humiliated by Leone, and has now arrived on the scene to ensure that Leone never sees the light of day.

An ordinary guy suddenly finds himself forced to fight a gladiator-like battle for a dark website that streams the violence for viewers. In order to survive and rescue his kidnapped ex-girlfriend, he must battle Nix, a heavily armed and much more experienced fighter.

Every seven years, in an unsuspecting town, The Tournament takes place. A battle royale between 30 of the world's deadliest assassins. The last man standing receives the $10,000,000 cash prize and the title of World's No. 1 Assassin, which itself carries the legendary million dollar-a-bullet price tag.

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