'Guardians of the Galaxy 3' director says superhero fatigue is real and audiences are tired of 'watching things bash each other'

• DC Studios' co-CEO James Gunn said in a recent interview that superhero fatigue is real. 
• The "Guardians of the Galaxy Vol. 3" director said audiences notice stories that aren't grounded.
• Surveys from the last year highlight a growing level of "superhero fatigue," even among Marvel fans.

The director of "Guardians of the Galaxy" knows that some movie-goers are experiencing "superhero fatigue" — and he thinks it all boils down to whether or not they're watching a grounded story.