2019’s “Avengers: Endgame.”Gunn, 56, gave his take on how it’s difficult to pen films that go beyond the over-the-top action sequences of Marvel movies.“I think it’s really hard in the wake of the [‘Endgame’] Blip. There’s this worldwide, universe-wide event that happened. And, in truth, everybody would be stark raving mad at this point,” the new co-CEO of DC Studios told Rolling Stone in a recent profile.