Generally speaking, such a plot will be designed: the adoptive father constantly encouraged the protagonist when he was a child, taught the protagonist the principles of life, and even told him to serve the people (for example: Spider-Man’s adoptive father BEN told Spider-Man The classic saying is "With great power comes great responsibility"), and the death of the adoptive father is not an "American culture", but can pave the way for the next story, or become a touching moment (for example: Spider-Man After Peter Parker learned that his adoptive father had died, he was determined to fight crime, so he became Spider-Man).