okay, i'll admit it's not absolute, but movie directors try to hard to deviate from the source material and put in tired cliches that don't ever work.
vice and mature did look alright, that is true, but 2 out of like...10 is fail.
they won't get into the k' stuff (i think) cause of the NESTS backstory, iori is already kyo's rival in the plot so to add his clone would be too much due to the limited running time i'd think. possibly in the sequel, but i wouldn't expect a sequel out of this.