Look for the purpose of the confrontation

A rescue premise asks whether someone can be protected in time. A revenge premise asks whether an opponent can be defeated without losing something else. A hidden-identity premise may delay the moment when others recognize the protagonist's abilities. Read for that distinction before choosing a title based on an action-oriented poster.

Does an action label describe the violence level?

No. It describes a genre, not an age rating or a detailed content warning. Check the original platform's suitability information before watching. The synopsis can establish the conflict, but it cannot reliably list every potentially upsetting scene.