Timecop

When a tech blogger lands an interview with a tech guru and stops an attack on him, he finds a mysterious ring that takes him back 57 seconds into the past.

Tough Brooklyn street cop Sam Makin is unwillingly recruited as an assassin for a secret United States organization known as CURE, who fake his death and give him a new identity: Remo Williams. With his appearance surgically altered, Williams is trained to be a human killing machine by his aged, derisive and impassive Korean martial arts master Chiun.

A sheriff's deputy fights an alternate universe version of himself who grows stronger with each alternate self he kills.

Two gangsters and the woman they love try to survive the most dangerous night of their lives. As if that wasn’t enough, there’s one wild ingredient added to the mix: a time machine.

In the year 2044, time travel has not yet been invented but in 30 years it will have been. When the mob wants to get rid of someone, they will send their target into the past where a looper, a hired gun, like Joe is waiting to mop up. Joe is getting rich and life is good until the day the mob decides to close the loop, sending back Joe's future self for assassination.

In a world where superpowered people are heavily policed by robots, an ex-con teams up with a drug lord he despises to protect a teen from a corrupt cop.

Ba'al travels back in time and prevents the Stargate program from being started. SG-1 must somehow restore history.

A laboratory accident endows a police scientist with the ability to move at superhuman speed which he uses to battle a menacing gang as a superhero.