This is a description 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!
This is another description from Lego®.com
Sent to Earth from the dying planet of Krypton as a baby, Kal-El was found by farmers, Martha and Jonathan Kent. Adopting him as their son, they named him Clark and instilled in him strong moral values. As Clark grew up, the radiation from Earth’s yellow sun gave him extraordinary powers including: superhuman strength, speed, and invulnerability. He also has the power of flight as well as X-ray, heat, microscopic, and telescopic vision. As Superman, he is a symbol of truth and justice, devoting his life to the protection of humanity.