User blog:Kir the Wizard/Reverb and Kille Frost Return?

So, we've got more still shots from the upcoming episode, and it seems Reverb and Killer Frost are somehow still a part of Zoom's team along with the Black Siren. Wonder if Hunter just keeps versions of his sub-bosses stashed across timeline and changes them like cards.

In particular: https://pmctvline2.files.wordpress.com/2016/03/fla222a_0039b.jpg?w=700

More pictures (Zoom, Reverb, KF, BS): http://tvline.com/gallery/the-flash-season-2-photos/#!5/fla222a_0039b/