Marvel one shots
Marvel One Shots are sort films made by Marvel Studios to help futher connect the Marvel Cinematic Universe.

There are four Marvel One Shots including: The ConsultantA Funny Thing That Happened On The Way To Thor's HammerMarvel One-Shot: Agent Carter,  Item 47 and Marvel One-Shot: All Hail the King. The first two One-Shots star agent Phil Coulson as the main character and they further expand the Marvel Cinematic Universe.