You answer will be a Fantasy because it is saying a story with superheroes and superheroes are a fantasy.
They are the children of an idle brain.
~
So they are the creation of fantasy when you are bored
This is a bit subjective because this particular work is difficult to classify, but in general many would agree that it is a thematic work of documentation.
Answer:
What leads up to the problem
Explanation:
His purpose in delivering the sermon is to warn his congregation in particular, and presumably, by extension, his nation as a whole, that they must repent of their sinful ways and turn to God for forgiveness before it is too late.