After Batman: Arkham Asylum became a huge hit in 2009 ... Walmart is the only retailer that even has this 641-piece Lego set in stock, and the retailer is selling it for only $30 (was $50).

But now that Arkham Asylum is being set up as a government run prison center, all bets are off. Absolute Batman may be learning how to deal with street crime, but now he has to also factor in ...