coup de main - noun
kü-də-ˈmaⁿ
Definition of coup de main : an attack that achieves complete surprise.

The first 'Dune' trailer is coming on September 9th.

Having seen a first-look at 'Dune' back in April, we've been eagerly anticipating the announcement of a trailer - and Warner Bros. has now confirmed that the first full trailer will debut globally on September 9th at 9am PST (which is September 10th at 4am NZT).