Arrow Boss Teases "Proper" Series Finale, Whether Green Lantern Will Appear

As production on the final season of Arrow rolls on, the end of the series is in sight. The CW series that launched a universe of superhero TV shows is ready to go out with a bang, though how it's going to do that remains a mystery.There's one thing executive producer Marc Guggenheim cleared up after a panel for the show at the TCA press tour, though. The final episodes of Arrow will not be tied up in the fallout of the Crisis on Infinite Earths crossover that will help close the series out."I w