The actress will feature in a special song sequence with the project's lead actor Akshay Kumar, Mumbai Mirror claims.
Similarly to Katrina Kaif's recent item track 'Chikni Chameli', the song will be shot in a villain's lair.
Kumar plays a double role as the hero and a negative character in the Hindi remake of the 2006 Telugu movie Vikramarkudu.
After an extended break from the film industry, Kapoor is currently shooting her comeback project Dangerous Ishq.
Rowdy Rathore will release worldwide on June 15.