Power Rangers: Soul of the Dragon

Power Rangers Soul of the Dragon is an upcoming graphic novel published by Boom! Studios and written by Kyle Higgins.

Plot Summary
After his time as the Black Dino Ranger in Dino Thunder, Tommy Oliver has moved on from being a Ranger, letting the S.P.D. Rangers defend the world. Unfortunately, his son goes missing, and he'll have to discover some things about his past and join up with some surprising teammates to find him and bring him home safely.