Fighter: Marbo noy Morbo (English: Fighter: I will kill otherwise die) is a 2011 Indian Bengali-language action thriller film written and directed by Ravi Kinnagi. Produced by Jeet and Ashok Dhanuka under the banner of IOU Films and Eskay Movies respectively, the film stars Jeet, Srabanti Chatterjee, Ferdous, Bharat Kaul, Locket Chatterjee, Biswajit Chakraborty in lead roles, with Ashish Vidyarthi as a guest appearance. The soundtrack of the film was composed by Indraadip Dasgupta, while the background score was by S. P. Venkatesh. The film follows a 3rd year college student named Surya, taking revenge of the gruesome and violent murder of his elder brother, who was a sincere police officer and keeps it hidden from his family. The movie is a remake of 2007 Telugu movie Lakshyam.

Jeet took a tough training for a year, to make 8 pack abs for the introductory fight sequence. Fighter marks the 8th collaboration between Jeet and Ravi Kinnagi. It was a super hit at the box office and received mixed to positive reviews from the critics.