After Selene makes it clear she does not appreciate Natasha's unconventional strategy, Natasha lures the vampire into the scaffolds where the tight spaces give the Black Widow the advantage.

After a near miss, the Black Widow goes on the offensive. But Selene's speed and power may be too much for the SHIELD spy.
Sensing that she is physically outmatched, Natasha decides to use a less traditional strategy.

Selene wastes no time and goes on the offensive. The superhuman speed of the vampire catches even the mighty Black Widow off guard.

As Natasha and Selene scan the construction site, they each realize they are not alone.