If you saw “Iron Man 2,” then you’re no doubt aware of the deadly capabilities of S.H.I.E.L.D Agent Natasha Romanoff (“Black Widow“). But if not, you’ll get a new look in this clip from director Joss Whedon’s superteam flick, which hits theaters on May 4. As you are no doubt aware, Scarlett Johansson stars as the lovely and dangerous heroine.

The movie opens May 4. (h/t HeyUGuys)