The Yagyu Code: Secret Scrolls (1990)

A few years after his breakthrough, Sanshiro resumes his path to judo mastery—testing his discipline against an American prizefighter and later facing vengeful karate brothers. As rival schools and public spectacle push him toward violence, he must reconcile strength with restraint and the true spirit of his art.

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.

His name is Baki Hanma. No one knows where he came from or where he learned his unique fighting style. When it comes to Karate, Baki Hanma is just plain GOOD. He can defeat an opponent with a single blow and he's taking the Karate Championship by storm. In a prestigious match, he defeats competitor after competitor even though he's totally unknown and barely even ranked. But now he's in for the fight of his life and he may have just met his match. Anything goes and his opponent can rip his nerves out -- literally. If he wins, he's the BEST. If he loses... he's DEAD.

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.

After their lord is tricked into committing ritual suicide, forty-seven samurai warriors await the chance to avenge their master and reclaim their honor.

Noreno, a half-Roman, is entrusted with the mission of crossing the snowy mountains of Armenia, swarming with Parthian patrols, to seek help for his slowly dying men.

Odd Jobs Gin has taken on a lot of odd work in the past, and when you're a Jack of All Trades agency based in a feudal Japan that's been conquered and colonized by aliens, the term "Odd Jobs" means REALLY ODD jobs. But when some more than slightly suspicious secrets from the shadows of Gintoki Sakata's somewhat shady former samurai past and a new pair of odd jobs collide, the action is bound to get so wild and demented that only a feature film will do it justice!

Li Mansei is a martial-arts champion turned undercover agent. When he is captured by a drug lord, his sister Li Koryu turns to his former martial-arts school, including the powerful Sonny Kawasaka, for help in the inevitable battle royale.

After years on the road establishing his reputation as Japan's greatest fencer, Takezo returns to Kyoto. Otsu waits for him, yet he has come not for her but to challenge the leader of the region's finest school of fencing. To prove his valor and skill, he walks deliberately into ambushes set up by the school's followers.

In 1879, Kenshin and his allies face their strongest enemy yet: his former brother-in-law Enishi Yukishiro and his minions, who've vowed their revenge.