: This period reintroduced and revitalized many characters, often with a heavier focus on science fiction elements.
: Many heroes adhere to strict ethical guidelines, such as a "no-kill" rule, which serves to distinguish them from the villains they fight. Historical Context: The "Ages" of Comics Superheroes
The superhero genre has evolved through distinct historical periods, often mirroring changes in American society. : This period reintroduced and revitalized many characters,
Superheroes can be categorized based on how they obtain or exercise their power: such as a "no-kill" rule