Guess I'll Die - "When your allies with superhuman/godly powers are getting annihilated by celestial beams of destruction and all you have to protect yourself is a cardboard box"

I remember reading somewhere that we don't know for sure if the one inside that box was truly Snake, or just a dummy empty box. Sounds like something Snake would do.

Nah, if y'all know Metal Gear, you know he took the blast head on but he still survived.
How can that be, you ask? Just one work:

NANOMACHINES