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.

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?

Picking up after the events of Never Back Down 2, former MMA champion Case Walker is on the comeback trail to become champion once again.

An American Army Major goes AWOL to Hong Kong for an outlawed martial arts contest called the Kumite.

After facing brutal humiliation in the ring, a young karateka travels to China in order to study the ancient art of Shaolin Kung Fu, becoming the first American Shaolin.

MMA legend Patton James, now a commercial fisherman, is pulled back into the cage when his brother is in danger. Reuniting with his old coach Sammy, he commits to one final fight in one championship against the brutal champion Xavier Grau.

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.

After his wife is kidnapped by a group of White supremacists, a record producer teams up with a PR man and a martial artist to get her back and put a stop to their plot to poison the water supply with a toxin that only kills Black people.

Jane is a beautiful but troubled American girl backpacking through Japan, when her raw street fighting skills draw the attention of Oshima, Japanese karate champion, who recruits and trains her to fight in the vicious, all-female, underground martial arts tournament known as "The Kumite". After months of rigorous preparation, Jane is ready to face off against the deadliest female fighters in the world, including Ling, the Chinese apprentice of Oshima's nemesis. But other nefarious forces lie in the shadows, and Jane and Ling will have to unite on a journey that will take them from the gritty underworld of Hong Kong to the glitz of Macao, before deciding who really is the best female fighter on the planet.

Jake, full of anger after his father's death, is just starting to find a place for himself at his new Orlando high school - until Ryan, head of an underground MMA fight club, picks Jake out as a prime opponent. After being trounced by Ryan in front of the entire school, Jake begins training under the firm, moral guidance of a MMA master, where he learns how to fight... and how to avoid a fight. But it becomes obvious that a rematch will be inevitable if Jake wants to stop Ryan and his bullying, once and for all.

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

Four canisters of deadly VX nerve gas have fallen into the hands of an international arms dealer in Myanmar. A CIA recruit delivers a high-tech detection device to an agent already on the ground.

Jones is a secret agent who has gone into semi-retirement, concentrating instead on teaching the martial arts to inner city youths. The karate school is run by a kindly old coot named Pops. His gambling debts, however, bring the local thug, Pinky, down on him. To make matters worse, Pinky is then hired by some white thugs who want to get a hold of the property Pops' school occupies so they can build a shopping mall. When things get heavy, Black Belt Jones leaps into action. Only he's not alone. Pops' daughter, Sidney, shows up to lend a hand, proving herself every bit as agile and powerful a martial artist as Jones.

After his police officer brother is killed by a drug dealer who flees to the protection of his cartel-connected uncle in Mexico, an American man with a diverse law enforcement/military background goes south of the border to get revenge

The youngest son of an alcoholic former boxer returns home, where he's trained by his father for competition in a mixed martial arts tournament – a path that puts the fighter on a collision course with his estranged, older brother.

Garan is a part of a group of international hitmen who are contracted to take out the most dangerous killer in the world, only to find out that they're the ones being hunted.

The eldest son of a ruthlessly tough MMA champion must fight his way out of the abusive cycle his father has continued.

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.

Rick, a down-and-out American boxer, is hired to transport a sword to Japan, unaware that the whole thing is a set up in a bitter blood-feud between two brothers, one who follows the traditional path of the samurai and the other a businessman. At the behest of the businessman, Rick undertakes samurai training from the other brother, but joins his cause. He also becomes romantically involved with the samurai's daughter.

Raised as a slave, Danny is used to fighting for his survival. In fact, his "master," Bart, thinks of him as a pet and goes as far as leashing him with a collar so they can make money in fight clubs, where Danny is the main contender. When Bart's crew is in a car accident, Danny escapes and meets a blind, kindhearted piano tuner who takes him in and uses music to free the fighter's long-buried heart.