Iron Man: Gamma Protocol - Teaser
Check out the teaser trailer for the fan-made Iron Man: Gamma Protocol animated short film.
Captain America: Civil War - Making of Article
fxguide have posted this in-depth article on the making of Captain America: Civil War.
Thanos VFX Breakdown by Luma Pictures
Here's a VFX breakdown by Luma Pitures, showing Thanos's appearance in Guardians of the Galaxy.