The increased number of villains and the passage of one year between Asylum and City, it left lots of background information necessary for the complete understanding of the game. While writer Paul Dini resolved some of this with a limited-edition series set between the two games, the majority of the setting's background was told through data gathered through various side-quests (mostly completing Riddler content). The problem with this method was that it came off more as lazy than anything else. It seemed as though in order to make their many story points more authentic, the writers wrote these up as an excuse to not include a more in-depth narrative. For instance, I'm sure many of us were very surprised to find this strange place called Wonder City beneath Gotham. If you didn't take the time to discover and read the stories, you would play through the entire story without knowing what it was without Ra's al Ghul's involvement. Same thing applies to Grundy's presence underneath the Iceberg Lounge and many other smaller examples. Arkham Knight is only going to expand on Arkham City's mythology through many more side stories to made up the backstory, however when it comes to key plot points in the narrative the creators should put more thought into fleshing them out wholeheartedly than relegate the majority of their substance to potentially hidden goodies.