Former stars of Doctor Who accept.
Also practices her fighting techniques for the film.
Artist Andy Park shares more artwork.
Opens tonight with advance screenings.
Vin Diesel & James Gunn Confirm Guardians of the Galaxy Avengers Team-Up Talks; Cast Weighs In (Video)
Guardians vs. Assemblers?
In theaters next week.
"Clint Eastwood onscreen, Hello Kitty off."
Karen Gillan and Zoe Saldana.
An action-packed, epic space adventure!