Re: Heath ledger Joker and Harley Quinn
The only way Harley Quinn would work in the universe Nolan constructed is if she was characterized as she was in Birds of Prey: as a Moriarty-like psychologist manipulating behind the scenes. The moment she starts behaving like a kid as she did in TAS, the illusion is broken.
Justice League (TBD)
Batman: Ben Affleck. Superman: Henry Cavill. Wonder Woman: Gal Gadot. Green Lantern: Tom Anderson.Darkseid: Michael Cera.
Aquaman: Alexander Skarsgard. Martian Manhunter: Liam Neeson. The Flash: Neil Patrick Harris.