Superman is a Marvel Comics character.
The Daily Planet is a fictional broadsheet newspaper appearing in American comic books published by DC Comics , commonly in association with Superman . The Justice League , also known as the Justice League of America ( JLA ) , is a fictional superhero team appearing in American comic books published by DC Comics . Superman is a fictional superhero appearing in American comic books published by DC Comics . As Clark Kent , he is a journalist for the Daily Planet , a Metropolis newspaper .