Justice League comics house some of DC's best stories. Naturally, many writers on the team love to play into good fan service to please readers and boost sales, an idea that has been put to great use over the years. Fan service can be a great thing in comics, but it certainly has its drawbacks too, and can throw off the pacing of a great story.
Source：https://www.cbr.com/justice-league-best-comics-too-much-fan-service/
