Akshay Kumar, Imran Khan and Sonakshi Sinha launched the first look and theatrical trailer of their much awaited film 'Once Upon A Time In Mumbaai Again' in Mumbai's Filmcity. The actors mouthed catchy one-liners from the film and talked about their experience. Akshay also spoke about Shahrukh Khan-starrer 'Chennai Express', that releases on the same day as 'Once Upon A Time In Mumbaai Again'. Don't mis