'Ek Tha Tiger' trailer released - watch
The film stars Salman Khan as a RAW agent who is under instructions to protect a dance instructor played by Katrina Kaif.
The trailer features comic and romantic interactions between Kaif and Khan and a glimpse of some of the action sequences for which the actress has undertaken extensive training.
Director Kabir Khan has said Khan and Kaif look "magical" together in the film.
Shah Rukh Khan has previously revealed that he was initially offered the role which then went to Salman Khan.
Shot in UAE and Dublin, Ek Tha Tiger is Salman Khan's first film under the Yash Raj banner.
The film releases on August 15, 2012.