It is quite possible that the How It Should Have Ended animated videos are the perfect loving geek exploration of plot holes.
No, it's not “quite possible.” It just plain is. (Although, for some reason, Incredible Hulk and Iron Man 2 didn't merit a HISHE. Hmm.)
Here's a collection of the HISHE Marvel themed videos, but definitely go and check out the HISHE collection on Youtube! From Wizard of Oz to Prometheus to The Hobbit, they hit almost every one spot on.
IRON MAN 3