Warner Brothers interactive has stated that next installment in the Arkham series will be going to when the justice league was formed. Just like Marvel DC comics wants other mediums to give ideas and focus to their united heroe movie Justice league. Because of that the next Arkham game will features super heroes like Superman and Flash you know like Lego batman. It is described as going back to the silver age of comics I am not a big comic fan so I cannot described to you what they are going for. I hope however that this decision doesn’t ruin the game. Here is the article for you. http://www.ign.com/articles/2012/07/11/arkham-city-sequel-will-be-a-silver-age-prequel
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