I don't know about that. The 110C is an early-to-mid-war fighter/bomber. There's little chance of them creating an early war Combat Tour for at least a year or more. The 110G was mostly (mostly) a night fighter or a day bomber/attacker. Again little use for that as they're not going to do Jabo Combat Tours for at least a year or more as well.
Hey I could be wrong, I just don't think it's high on the list.
Oh, and they're not redoing any more until CT is out, I think, so we have at least til the end of this year before the upgrade machine is rolling again.