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

Watch: 'Oppenheimer' teaser trailer.

Universal Pictures have shared a teaser trailer for Christopher Nolan's next film, 'Oppenheimer' - starring Cillian Murphy, Florence Pugh, Emily Blunt, Matt Damon and Robert Downey Jr., and out in cinemas next year on July 20th.

Watch the teaser below...