The trailer of the much-anticipated film 'Kisi Ka Bhai Kisi Ki Jaan' was launched on April 10. The grand launch event was attended by the star cast of the film including Salman Khan, Pooja Hegde, Jagapathi Babu, Shehnaaz Gill, Raghav Juyal, Palak Tiwari, Siddharth Nigam, and Jessie. Singers Payal Dev, Palak Muchhal, and Sukhbir were also at the event along with the captain of the ship, Farhad Samji. 

The film's trailer shows several shots of Salman Khan doing action scenes while being shirtless and flaunting his ripped body. When the host asked him about his toned physique and lauded him for his effort, Salman said, "Effort Dengue aur Covid ka tha (The effort was by Dengue and Covid).”  He said that he was recovering from both diseases before shooting for the climax shoot.