Dhaka, Nov. 3 -- Bollywood superstar Shah Rukh Khan has hinted that a sequel to his 2011 superhero film Ra.One might happen in the future, saying "if the time ever feels right, we might do it again."

The actor made the remarks while interacting with fans during a private event in Mumbai on his 60th birthday on Sunday.

Reflecting on Ra.One, which co-starred Kareena Kapoor and Arjun Rampal, Shah Rukh said the film was "ahead of its time" and close to his heart. "Anubhav (the director) worked really hard to make it. I was expecting it to start a new trend because I always feel I should make films that inspire others to try new ideas," he said.

The actor admitted that Ra.One didn't fully meet his expectations back in 2011, though it perfor...