Speaking with Total Film this week, Gunn said that being able to tell the story of Rocket Raccoon (voiced by Bradley Cooper) was what brought him back to the franchise. “The most important thing ...

"I love Rocket Raccoon so much," said Cooper. " And I love doing that third one [Guardians of the Galaxy Vol. 3] because [that's] when James [Gunn] told me what was going to be the origin story.