Movie about a secret assassin

A retired agent from an Intelligence Agency is contacted by the Agency in order to stop an ultra-secret robot who is killing some government officials. That will be not an easy task, because the robot looks human and it was specifically built to be an efficient killer, not to mention that it is almost invulnerable.

When the British government orders the assassination of an Air Ministry official suspected of leaking top secret intel, their top assassin assigned to the job discovers there may be more to the hit than meets the eye.

The basic plot of this film concerns a secret service-esque man in Mexico battling personal demons who discovers a conspiracy behind an assassination attempt on a visiting American senator.

A veteran US Secret Service agent must thwart the covert conspiracy of an enemy spy network that threatens the world's safety.

A secret agent is charged with preventing a crime syndicate's plot to assassinate a young heiress.

A private military operation invents futuristic microchip tech that enables the mind of an agent to inhabit the body of another person to carry out covert, deadly missions. But when an agent is killed during a secret mission, his wife takes his place in an attempt to bring the man responsible to justice.