Movies about fights without rules

When Alita awakens with no memory of who she is in a future world she does not recognize, she is taken in by Ido, a compassionate doctor who realizes that somewhere in this abandoned cyborg shell is the heart and soul of a young woman with an extraordinary past.

One year after the events of "Kickboxer: Vengeance", Kurt Sloan has vowed never to return to Thailand. However, while gearing up for a MMA title shot, he finds himself sedated and forced back into Thailand, this time in prison. He is there because the ones responsible want him to face a 6'8" 400 lbs. beast named Mongkut and in return for the fight, Kurt will get two million dollars and his freedom back. Kurt at first refuses, in which a bounty is placed on his head as a way to force him to face Mongkut. Kurt soon learns he will have no other choice and will undergo his most rigorous training yet under some unexpected mentors in order to face Mongkut in hopes to regain his freedom.

In a near future, the world order has changed. With its 10 millions of unemployed citizens, France has now become a poor country. Its people wavers between rebellion and resignation and find an outlet in the shape of TV broadcast ultra brutal fights in which the players are legally doped and unscrupulous.

Billy "The Great" Hope, the reigning junior middleweight boxing champion, has an impressive career, a loving wife and daughter, and a lavish lifestyle. However, when tragedy strikes, Billy hits rock bottom, losing his family, his house and his manager. He soon finds an unlikely savior in Tick Willis, a former fighter who trains the city's toughest amateur boxers. With his future on the line, Hope fights to reclaim the trust of those he loves the most.

After Sabrina is abducted, she finds herself in an underground lair, forced to do battle with other innocent women for the amusement of unseen spectators. Each of these reluctant warriors has something to lose, but only one will remain when the game is done.

Sidelined by an injury incurred while protecting his young brother, underground fighter Charlie Fontaine feels blindsided when he discovers his brother having sex on his couch with his new wife, Kat. Fueled by rage, a determined Charlie makes plans to get back in the ring and take on his brother in a fight to the death.

David Lord finds himself forced into the savage world of a modern gladiatorial arena, where men fight to the death for the entertainment of the online masses.

The Fighter, is a drama about boxer "Irish" Micky Ward's unlikely road to the world light welterweight title. His Rocky-like rise was shepherded by half-brother Dicky, a boxer-turned-trainer who rebounded in life after nearly being KO'd by drugs and crime.

Rebellious Jake Tyler is lured into an ultimate underground fight Scene at his new high school, after receiving threats to the safety of his friends and family Jake decides to seek the mentoring of a veteran fighter who trains him for one final no-holds-barred elimination fight with his nemesis and local martial arts champion Ryan McCarthy.

A ticking-time-bomb insomniac and a slippery soap salesman channel primal male aggression into a shocking new form of therapy. Their concept catches on, with underground "fight clubs" forming in every town, until an eccentric gets in the way and ignites an out-of-control spiral toward oblivion.

Col. Guile and various other martial arts heroes fight against the tyranny of Dictator M. Bison and his cohorts.