http://www.denofgeek.com/us/books-comics/the-flash/249578/the-flash-season-2-complete-dc-comics-references-guide

Who is Zoom? What about Jay Garrick? And what's the deal with Earth 2? Our guide to The Flash season 2 easter eggs is here!

This article consists of nothing but The Flash season 2 spoilers. Caution is advised.