TV’s Frink said:
I firmly believe that Ledger’s Joker was so praised only because he died.

Maybe by some but not by me.
It’s a good interpretation of the character. I don’t think anyone has done it too bad. It’s pretty much actor proof.
As films about Batman the character they get the Batman right, they make the villains feel plausible too.
It’s the technology that doesn’t really work. Microwave weapons that vapourise water in pipes but not in veins, Nuclear Bombs that magically stop radiating because they are just off the coast.
The barge problem should have been in a Two-Face movie but the solution would be everyone in a made rush to kill each other accidentally defuse the bomb. It was a single moment of mush in a rather nihilistic movie with good design and nice stunts.