Men in Black 3 is the prequel of Men in Black 2 in which Will Smith and Tommy Lee Jones act as Agent J and Agent K respectively. In this film, there is an evil alien called Boris who wants to take revenge from Agent K because he broke Boris’ hands. Boris breaks prison and goes back in time and kills Agent K there. One day, Agent K gets disappeared which makes Agent J confused. He travels back in time to find Agent K and prevent him from dying. This film is awesome and full of science fiction and a little bit emotional in the ending. It is a must watch film.I would rate it 4.5 /5 stars.