I know its gonna rock hard.
Why?
Darker storyline.
Edward Norton.
Its been stated time and time again that the previous hulk movie starring Eric bana is chickenshit and isn't canon to the series, and will be disregarded to hell.
IIRC, this movie picks up with tryin to find a cure,fighting off Col. Thunder/Betsy's Dad, and i THINK abomination. And i think the HulkBuster Suit will debut.
Comic-con concept.
leaked rendering.
Hulk's likely to be greyish-green, a transitional change from his Stupider-Than-Thou emerald to the more intelligent and self-aware Grey.
A rumor has it that a second Incredible Hulk is in the works.