Acclaimed filmmaker duo Raj and DK are gearing up for the release of 'Citadel: Honey Bunny', a spin-off of the American espionage series 'Citadel', headlined by Priyanka Chopra. In a recent conversation, the duo confirmed that the Russo brothers, makers of 'Citadel' and the acclaimed Marvel universe, had watched the 2018 horror drama 'Stree'.