Men in Black 3 (previously titled Men in Black III-D, stylized as MIB³ and alternatively spelled Men in Black III) is a 2012 American 3D science fiction action comedy spy film released into theaters on May 25, 2012 and stars Will Smith, Tommy Lee Jones and Josh Brolin. Principal photography began in New York City on November 16, 2010, taking place ten years after its predecessor Men in Black II and fifteen years after the release of the original Men in Black. Barry Sonnenfeld and Steven Spielberg returned as director and executive producer respectively. It is the third installment in the Men in Black film series based on Lowell Cunningham's The Men in Black comic book series.
After breaking out of a moon-based maximum security prison, Boris the Animal decides to go back in time and eliminate the person who arrested him - Agent K. When he does so, Agent J realizes that the time line has been changed and he too travels back to July 15, 1969, the day before Agent K is killed. After overcoming some disbelief, J manages to convince K and others of just who he is and why he's there. With the help of a being who can see all time lines, they track Boris down. J also learns a secret, something K had never told him.