Question

what do many superheroes have in common? superheroes have special abilities that they use to options: keep people safe, scare the readers, feel more popular

Explanation:

In the context of superhero narratives, a core trait of superheroes is using their special abilities to protect people. "Keep people safe" aligns with the typical heroic mission, while "scare the readers" is irrelevant to their purpose, and "feel more popular" is not a standard superhero goal.

Answer:

keep people safe