This is a mech made by the same studio that built armor for Pacific Rim and Iron Man -- it's now officially going around Comic-Con. Here's some footage of the mech trying its best to befriend a little girl, brought to us by by Stan Winston School.
The mech may look menacing, but it's a softie! It's super adorable. Personally, I can't get over "may I destroy you?"
Giant Robot befriends Little Girl @ Comic-Con 2013 [Stan Winston School]