A new clip from Disney XD's animated "Guardians of the Galaxy: Origins" series of shorts unveils Rocket Raccoon's Halfworld beginnings, including a glimpse of what may be the Black Bunny Brigade, and first team up with Groot. Previous looks at the Marvel Animation series included two 2-part peeks at both Star-Lord and Groot's origins and a trailer for the series, which the "Origins" short provide background for.

WATCH: First Trailer for "Guardians of the Galaxy" Animated Series

The "Guardians of the Galaxy" animated series stars Will Friedle as Star-Lord, Vanessa Marshall as Gamora, David Sobolov as Drax, Trevor Devall as Rocket, Kevin Michael Richardson as Groot and James Arnold Taylor as Yondu and Cosmo. The series debuts September 26 at 9:30 PM ET on Disney XD.