Akshay, Sonakshi and Imran unveiled the trailer of 'Once Upon...' (view pics)

Mumbai, May 30: Akshay Kumar, Sonakshi Sinha and Imran Khan went back in the 80's era for the trailer launch of their forthcoming underworld gang war drama ‘Once Upon a Time in Mumbaai Again' at dingy by-lanes of a chawl, multi-storey buildings, hereon Wednesday.



The lead trio wore out the attires which they are donning in the flick and were all shining in their ishtyle.