Conversation so far:
who starred in marvel's 2016 movie deadpool
The film Deadpool stars Ryan Reynolds, Morena Baccarin, Ed Skrein, T. J. Miller, Gina Carano and Brianna Hildebrand.
what's the runtime of the film Deadpool
The film Deadpool has a running time of 108 minutes.
when was the release date of the film Deadpool
The film Deadpool was released in the United States on February 12, 2016.

Question: what's the premise
Self-contained rewrite: what's the premise of the film Deadpool