My Fave is The Handmaiden:
https://www.youtube.com/watch?v=IkvHtfRAKNk
Just perfect editing, music and composition. Makes you want to go watch the film without spoiling anything. Masterful.
Close 2nd Suicide Squad:
trailer: https://www.youtube.com/watch?v=CmRih_VtVAs
So r/movies what is in you opinion the best trailer of 2016. Please only judge the trailer and not what you think about actual movie turned out.