I think Jack did a decent job but he had a different mood of script to work with, because while Burton Batman was dark, it was still really campy...like a transition between 60s Adam West Batman and current Batman.
But this Two-Face will probably be a lot better than Tommy Lee Jones' Two-Face in that travesty of a movie...not that Tommy is a bad actor, he just got a shitty script

__________________

"If you say you're going to do something and you start to do it, and people enjoy it or respect it or are entertained by it, people will step up and help you."
-- Kyle MacDonald