Jax, Nunu, Fiddle, etc. ever getting a visual update?

Riot has visually updated most of the older champions in League, and a few of the remaining ones are planned for an update: Poppy, Taric, and Warwick (eventually, at least). But champions like Jax, Fiddlesticks, Nunu, etc. still have very outdated models and I haven't seen any mention of them even having a VU planned.

I mean just look at this vs this. Obviously the second one is from a cinematic, but in the first one he looks like a short and fat little dude, not a fearsome warrior. Also, the new Jax skin would look so much better on a new model since the Warden armor makes him look even fatter.

Here are Nunu's and Fiddle's current models as well. There are definitely more that could use an update, I just felt like these were the ones most in need.