Lanterns co-creator says Guy Gardner has Hal Jordan's ring in Superman, and now I'm confused

Lanterns has just debuted on HBO, and the DCU show is off to a spectacular start. But a crucial tidbit revealed by Lanterns co-creator Tom King on the official Lanterns podcast has me wondering how Lanterns fits into the DCU timeline . Warning: Spoilers for Lanterns episode 1 follow. At the end of L…