There's a poison flowing through the streets of Gotham--a new, deadlier form of meth. A mysterious mad genius is responsible and only another madman can take him down. Watch this trailer by InpiQue Productions for the next great Batman movie.
And if you're not sure that this is a good idea--if you suspect this crossover could go badly--then maybe your best course would be to tread lightly.
-via VA Viper