Batman and the actualization of Don Quixote, Hamlet, the lone private eye.

Batman's foes and the Joker as the counterpart of Batman.

The graphic novels of the 80s in the US: Maus by Art Spiegel (1985), The Dark Knight Returns (1986) by Frank Miller; Watchmen (1987) by Alan Moore; The Killing Joke by Alan Moore (1988).

The rivalry of Superman and Batman.Socio-political implications: the Dark Age Comics and the Age of Terror: