Up, up, and away! The Man of Steel has traded in his cape for a mortarboard and a copy of "Being and Time".
By day, he soars through the skies, but by night, he ponders the meaning of existence.
Heidegger's Influence on Superman's Metaphysics
Kierkegaard's Existential Take on Superman's Superheroics
Leviathan: The Philosophical Monster that is Superman's Greatest Challenge