Black Panther impresses in several ways. Structure is one of them.
The midpoint of the film is a great example of "the first culmination as midpoint."
We get a cascade of events which lead us to a true twist. Not only is the truth of Wakanda coming out as a result of the club chase and Klaue's interrogation, but we also see a tear in relationship between T'Challa and W'Kabi upon the mission's failure.
The final curve is our main character's family truth. We find out we have a cousin, powerful, fighting for a cause that may have been born from our own but is now in direct opposition to us--my cousin is my enemy. Our reality has shifted.
(Directed by Ryan Coogler, written by Coogler and Joe Robert Cole, based on the Marvel Comics by Stan Lee and Jack Kirby.)
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