>>111779483There very much is something, and it's called copyright - with cape it's easy because all characters, events etc. belong to the publisher, so if they agree to print you're good, but if you, for instance, wanted to do something like that to the YA novels you'd need to balance the thin line between references being similar enough to be recognized, but not enough to get sued for infringement
I can't just publish a story shitting on, say, JKR and pointing out why her writing is kind of ass - I could get away with a fanfic, but an actual book would be a problem; if Grant wants to poke jabs at the trends at DC, all he needs is pitch a concept at the editorial