I'm fine with them toning his powers down a bit to make him more on the level of the other tv characters (and for the tv budget), but I don't want a man-made power ring. They don't necessarily need to go deep into the GL mythos, but they don't need to change the source of the powers, either.
Well, since Wildcat has already showed up on
Arrow and Jay Garrick's helmet has been seen in the
Legends of Tomorrow trailer, maybe we'll see
a Green Lantern, but not Hal Jordan. If so, I think Alan Scott with his "magic" ring would work to get a Green Lantern in without introducing aliens (at least right now). We might see Hal Jordan at some point, but probably not as Green Lantern yet.
Then again, maybe Green Lantern could be the next step in the DCTV Universe, from "realistic" (Arrow) to "sci-fi superpowers but still relatively grounded" (Flash) to "full-on space sci-fi" (Green Lantern), with them introducing Hal Jordan like they did with Barry Allen in Season 2 of
Arrow, and then giving him his own show.
Eh. I'll believe it when I see it. I doubt it will go much more past a couple of vague references. I would bet on seeing Ted Kord/Blue Beetle before any Green Lantern on the show.
Hasn't Blue Beetle already been confirmed, or was that someone else?
Kord Industries was referenced on Arrow and it pretty much amounted to nothing. Same with Stagg, Metamorpho, and Bludhaven. So, until they announce GL will show up, I wouldn't really look too much into it.
Stagg did show up (though he died), Metamorpho was on Well's list of people who "died" in the particle accelerator explosion (along with a bunch of other DC superheroes), and if
Titans (or
Blackbirds now, I guess) crosses over with the CW-verse (as Roy's exit set it up to do), then Bludhaven could also exist.
Plus, those were all only referenced once or twice. The Green Lantern references have been piling up like crazy now.