Marvel expanded into the world of TV to fill the gaps between movies (and create some great entertainment in its own right), it experimented with one-shots.
These short films were designed to be self-contained stories, which were made specifically to experiment with new characters and plots while simultaneously expanding the cinematic universe.
They were short-lived, with four short films released between 2011 and 2014; the death knell sounded in 2018. Marvel Studios co-president Louis D'Esposito blamed the success of the Marvel films and the busy schedule for the disappearance of the shorts, while one-shot writer Eric Pearson blamed lacklustre Blu-ray sales.
Read more on msn.com