Lanterns' dark new origin story for John Stewart changes DC Comics canon in a big way

Immediately killing a beloved hero of almost seven decades instantly established that nothing is sacred in HBO's Lanterns. Anyone can die, and the DC comics this show is based on are a mere guideline at best. Yet even so, John Stewart's decidedly dark origin story – explored in episode three – comes as a big surprise to anyone familiar with his start in the source material.Powerhouse comic book duo Denny O’Neil and artist Neal Adams introduced John as the fourth Green Lantern i