Marvel's Ultimate Spider-Man

The Return of the Guardians of the Galaxy (3x1)

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The Guardians of the Galaxy land on Earth to repair their ship at the same time Titus leads the Chitauri into targeting Nova's helmet. Now Spider-Man and Nova must work with the Guardians of the Galaxy to defeat Titus and the Chitauri. This episode was originally aired out of order to promote the Guardians of the Galaxy movie.