The Sombra ARG has concluded, and Blizzard finally revealed Sombra in a new video! It can be watched here:

(you need an account to see links)

Apparently, they're also adding two new maps, Oasis in December and Eco Point in the PTR next week Sombra will also be in the PTR! A new arcade mode giving players the option for 1v1 or 3v3 is also coming