I'm predicting that we'll see 4.1.2 sometime in January, being optimistic. Later in a worst case scenario.
We will never see Android 4.2. It offers too little of improvement to warrant greedy Verizon sending out more data on it's towers. They will wait until Samsung has 5.0 ready to release for us, which I'm not expecting until Summer the very earliest possible, likely Fall-Winter 2013 release.
Yep, Verizon is that freaking bad at updating the phones on it's network. #F!@kVerizon