Disclaimer: I do not own anything in this video. No copyright infringement intended. Everything belongs to their respective owners.

Original Iron Man 3 trailer:
https://www.youtube.com/watch?v=U4ZPdIAzhIQ&list=FLpNxNRUyh0OJSGnrSCfI4Ew

In the same universe of cloverfieldmoster's Avengers :D