Argumento
Superman remembers his first Memorial Day in Metropolis. He stops a robot, repairs a bridge, and returns to the Daily Planet. When a comet threatens Metropolis, it's stopped by the first Green Lantern. Solomon Grundy appears, and kayos Green Lantern. Superman confronts Grundy for the first time, and teams with Green Lantern to defeat him. Grundy is then taken off their hands by a team of people, who return him to Lex Luthor (who released Grundy to begin with).