Guardians of the Galaxy Vol. 3 directed by James Gunn Guardians of the Galaxy’s James Gunn has said that the third film will “probably” be his last as director, as well as the final one with the current lineup of superheroes. Gunn, who previously helmed the first two movies in the Marvel series – released in 2014 and 2017 – is set to return to the fold for the upcoming Guardians of the Galaxy Vol. 3.