mmm! I don't know Heroes (yet!), but I was thinking that this looks like a coloring style you don't use as much these days. Well, it's digitally painted (I'm guessing), so... yeah.
Normally I say something like Holy crap that is good. but kinda speechless at this point. This might be the best thing I've ever seen you post (in my opinion).
the ink drawing i have (from this piece) is 8.5x11 and show most of her (i think it cuts off at the shin/ankle area. i can send you a scan if you'd like!