Is only logical that the suit gets an update afterall the begins suit was his amateur kinda outfit in the sense that it hsould change slightly and not just for us to see a new look but nolan should do it in a way that serves both the preactical problems of the begins suit in real life and in the movie. Since nolan likes to explain each detail(which I love) of batman's arsenal he and the writters should come up with a logical way for some of the suit's changes in the movie. example: in begins there were some problems with the graphite on the cowl,I dont want them to change the cowl, sorry bad exampple begin's cowl is great because the bone structure on the cheeks give's it a more animalistic/creature like look, more organic and at the same time it looks sleek, the neck I think should stay the same, it looks big yes but it makes batman even more menacing because the neck makes him look big heavy(not fat) and the same time it gives the ilusion of a guy that's big but at the same time he can do all this great physical feats, os in a way it makes him even more of a terrifying and formidable foe. the changes should be however in the suit.
1) I think I talk for everyone when I say that they should use a material which creases less so the suit looks sleek and the body shape looks better.
2) I think they should keep the same color of the begins suit, just change the abs make the abs structure thinner so it won't rise so much,this will decrease the creasing in the abdominal area.
3) the mask, they should come up with a way to make the mask less tight in bale's face so he doesn't end up looking like his face is about to blow out of the mask. O ther than thta I think the suit should remain the design, maybe add a few new details but nothing too noticeable.