Characters
We gotta go to the crappy town where I'm the hero!
— Wash ‧ Firefly

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker urges going to a shabby town where they are treated as the hero. The humour comes from pairing contempt for the place with delight in being admired there, as if a poor setting is worth enduring for the glory.
Context reviewed