In a lot of ways, the McU movies getting more laced with jokes and self-aware quips was largely due to the runaway success of James Gunn's first Guardians of the Galaxy movie. While the filmmaker had mostly a free hand to put his own stamp on the film, Gunn recently revealed on Twitter that there was one particular joking exchange between Drax and Peter Quill that Disney would not sign off on.

(in movie)

Quill: I come from a planet of outlaws, Billy the Kid, Bonnie & Clyde, John Stamos.

Drax: Sounds like a place that I would like to visit.

Quill: Cool. (cut)

Drax: And kill many people there."

It is not clear why Disney felt this was the one joke that took things too far in the movie. Guardians of the Galaxy was laced with 80's pop culture references, from the entire opening scene being a homage to...