Read comic: City of Heroes (2005)

comic
Summary:

Paragon City is a Silver-Age superheroic wonderland—until the reality and terrors of the modern age catch up to its defenders in one awful and shocking moment! Now the defenders of Paragon will find out once and for all what a real hero is in today's world! Noted superhero writer Mark Waid brings you the action, with Kubert School grad and Wizard contest winner David Nakayama on art!