http://collider.com/the-flash-arrow-green-lantern-blackest-night/

DC Comics’ TV properties have been quite successful at establishing a shared, live-action universe on the small screen, but as ambitious as shows like The Flash, Arrow, and DC’s Legends of Tomorrow are, there have always been hints at something bigger. A lot of those hints come in the form of Easter eggs, nods to the comic book source material which are included to give longtime readers a little pleasurable jolt of recognition and as a nice bit of nostalgia for the shows’ writers. And yet there’s the possibility that these casual mentions and asides might be pointing to a vast expansion in DC TV’s current field of view. Few DC Comics’ properties are as broad in scope and scale as the Green Lantern