After that we got a glimpse of the Joker, a surprise inclusion for some given Mark Hamill wont be returning to the role. However, the character has been changed enough for this not to matter, as we have a much younger and muscular Clown Prince in this game, meaning his lighter voice doesnt seem too much blasphemous. There have also been suggestions this game is chronologically the first time Bats encounters Mr J in the Arkhamverse, which means Harley Quinn wont be making an appearance at any point. Its unlikely he plays the role of one of the assassins given that the recent trailer shows him save Batman from Bane, though its hard to say whether he does this because he doesnt want Bane to get the 50-mil or because he doesnt want Bats to die. Personally I think the Joker might arrive in Gotham with the intention of killing Batman but, like in The Dark Knight film, changes his mind after he realises how much fun he can have messing with the Caped Crusader.