Yes, it is. It offers a deep exploration of the Riddler's character in the Arkham universe. The graphic novel format brings the story to life with great visuals and engaging dialogue.
Obviously, Batman is one of the main characters. He's the one who has to face the Riddler's challenges. And the Riddler himself, who creates all those tricky riddles and traps. There may also be some minor characters who are affected by the Riddler's schemes in the stories.
Probably. The Arkham series has a connected storyline, and it would make sense for the Arkham Knight new story to be a continuation. This way, it can keep the lore consistent and develop the characters further. For example, we might see how Batman has changed since the last encounter with his foes.
The Riddler Stories often involve Batman having to search for hidden trophies and solve riddles to progress. This aspect adds a lot of depth to the gameplay. Also, the stories show the Riddler's obsession with proving himself smarter than Batman, which is a key element of their dynamic.
Yes, there are many Arkham Knight fanfics that are suitable for general audiences. You can find them on various fanfic websites by using filters or search terms like 'family - friendly Arkham Knight fanfic' or 'PG Arkham Knight fanfic'.