Rumors about the next part of Yash Raj Films' iconic heist franchise, Dhoom 4, have been circulating for a long time. Fans have been particularly curious about whether Ranbir Kapoor will join the series to take the legacy forward as the main antagonist. Following in the footsteps of John Abraham, Hrithik Roshan, and Aamir Khan, Ranbir has been at the centre of casting speculations for the past two years. However, recent updates suggest that fans may have to wait a while longer. According to a report by Bollywood Hungama, the idea of casting Ranbir Kapoor is currently just a concept.