"We had guns in our hands, and we had to jump onto this blue mat. With the level of familiarity John Cena has with this type of work, he nails it in the first take. [With] me, it's three or four takes. [For example], the gun's covering my face when I fall to the ground. It's so much fun. Watching it back, I have it on my phone, it was just so exciting. I was like, damn, we look like badasses! This is so cool!'"