A collection of four comic book covers featuring superheroes. The top left cover shows Superman in a blue suit with a red cape and the word 'JUSTICE' in white letters. The top right cover features a character with a red and blue suit, a red cape, and the word 'LEAGUE' in white letters. The bottom left cover depicts a character in a black and red suit with the word 'JUSTICE' in white letters. The bottom right cover shows a character in a black suit with the word 'LEAGUE' in white letters.