I'm very happy this Batman movie will have a serious Riddler because the Riddler is very comedic in Batman Forever an intentional campy super hero movie. Finally, a serious depiction of The Riddler because a comedic version has been shown in 2 intentional campy Batman movies.
Also, the focus will be a Detective Story that has never happened in a Batman movie because that aspect was shown for a short amount of time in The Dark Knight and other Batman movies.
I've heard is the movie is a Horror movie with comparisons to Seven because of disturbing murders, and the focus will be on Batman investigating those murders.