Soulm8te

A man acquires an artificially intelligent android to cope with the loss of his recently deceased wife, but in an attempt to create a truly sentient partner, he inadvertently turns a harmless lovebot into a deadly soulmate.

Source Code (2011)

When decorated soldier Captain Colter Stevens wakes up in the body of an unknown man, he discovers he's part of a mission to find the bomber of a Chicago commuter train.

Spawn (1997)

After being murdered by corrupt colleagues in a covert government agency, Al Simmons makes a pact with the devil to be resurrected to see his beloved wife Wanda. In exchange for his return to Earth, Simmons agrees to lead Hell's Army in the destruction of mankind.

Sphere (1998)

A spacecraft is discovered on the floor of the Pacific Ocean, presumed to be at least 300 years old and of alien origin. A crack team of scientists and experts is assembled and taken to the Habitat, a state-of-the-art underwater living environment, to investigate.

Spiderhead

A prisoner in a state-of-the-art penitentiary begins to question the purpose of the emotion-controlling drugs he's testing for a pharmaceutical genius.

Spring Breakers: Salvation Mountain