The below description is taken from LEGO.com.
The powerful protector of Metropolis, LEGO Superman flies through the city, patrolling for crime with super vision! This mysterious minifigure lives a double life as Clark Kent, reporter for the Daily Planet when he’s not battling the baddest minifigures Metropolis has ever known. Few know his secret identity and even fewer know his only weakness, Kryptonite, the only thing capable of zapping his super powers. Stop his foes from getting their claws on some Kryptonite and keep the city safe!