'The Dark Knight' connection in 'Joker: Folie à Deux' is laughably bad
The inmate follows Arthur's murderous footsteps, punctuating his punchline by shanking Arthur. As Arthur bleeds out on the floor, his killer begins laughing uncontrollably. Then, just out of focus in the background, we see him carve a smile into his face, an unmistakable nod to The Dark Knight 's Joker's scars. Oh, brother.