Double Negative (DNEG), the VFX company that worked on the visual effects of 'Brahmastra', has been roped in to work on the movie 'Fighter', according to a report. The upcoming movie is an aerial action thriller which will be directed by Siddharth Anand. 'Fighter', starring Hrithik Roshan and Deepika Padukone, is set to release in theatres on September 28, 2023.