VIDEOS:
Shoot twice
Two Skrulls disguised as armed Russian OMON officers open fire on a Volvo sedan. When they realize no one's inside, Nick Fury shoots them from the side. He then shoots one more time to be sure they're dead.
Example of:
Double Tap
Seiya vs. Slime
Example of:
There Is No Kill Like Overkill
Check for a pulse
Example of:
Double Tap