This manifests in the first of several mesmerizing sequences of shirtless dance (this one to "Slap That Bass," from the Fred Astaire movie Shall We Dance ), in which Phoenix's sinewy body contorts in twisted rapture.
He is up late at night while his mother sleeps, watching a classic movie on television, “Shall We Dance,” starring Fred Astaire and Ginger Rogers.
It pulls heavily from The King of Comedy in its narrative and from Taxi Driver (1976) for its protagonist’s modus operandi, and it seeks out a lineage not of other superhero movies, but of the great works of cinema: Fleck watches the Fred Astaire vehicle Shall We Dance (1937) on TV and Chaplin’s Modern Times (1936) in a cinema, and the marquee of a theater showing Blow Out is featured prominently.