James Gunn Will Never Say Never About Returning to the MCU After Guardians Vol. 3 James Gunn Will Never Say Never About Returning to the MCU After Guardians Vol. 3 While Guardians of the Galaxy Vol. 3 will end the franchise's arc, director James Gunn could be persuaded to return for Vol. 4. Guardians of the Galaxy Vol. 3 director James Gunn has rekindled hope for his return for a Vol. 4, though remains steadfast in his assertion that the upcoming sequel will be the end of the arc he has planned from the first movie. Gunn recently revealed that he plans for Guardians of the Galaxy Vol. 3, but his recent comments on the subject will no doubt have MCU fans crossing their fingers for further superbly well soundtracked intergalactic adventures.