Evidence of Necromancer Class in future patch

I was clearing the deserts in the first half of Act II Inferno when I came across an event I've never encountered before. What I saw, was a Necromancer that had the exact same appearance as the one from D2, with an updated character model and 3 Skeletons summoned. Shield, shoulders, hair, all the same. After you help him, he goes on to tell you about his master who fought against Diablo two decades prior (D2). He also tells you that his mission is to release troubled spirits from the deserts in Caldeum, which gives him motive to be in the game. I took a series of screen shots, showing the different parts of his character model the best I could. Even his avatar and voice resembles that of a playable character. Check it out. http://imgur.com/a/m2y2F