The Head of the Hydra
Kyle kinda suffers from the fact that his moment of prominence was as the last Green Lantern, so his arc was essentially the kid living up to a grand legacy all on his own.
Which can't happen now because Green Lantern adaptations don't want to do away with the corps so they instead use his Hal, John, & Guy who are more colorful personalities built for interacting with a wide cast.
Though Kyle would get a different thing, its as the uniter of the 7 corps chosen one type deal which is tricky in its own way since it requires the establishment of the 7 corps already.
"I am Alpharius. This is a lie."
Kyle fits the "young, unready recruit with a different perspective" archetype more than any of the others do, on the other hand.
For a while, I figure a good GL movie would be about Hal mentoring Kyle to join the Corps.
"The difference between reality and fiction is that fiction has to make sense." - Tom Clancy, paraphrasing Mark Twain.
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IIRC one of the GL scripts being bandied about is a Whole-Plot Reference to Training Day, and Hal Jordan is the Denzel (which feels like a giant middle finger to the idea Hal is the iconic GL to anyone who’s watched the film).
Something I've wanted to see is a mechanism introduced where the consciousness of the last bearer of a power ring lives on inside it, and can mentor the ring's next bearer like a Force ghost from Star Wars. So you can have Kyle picking up the ring with Hal Jordan acting as his mentor ...
Which would let you do something interesting with Parallax as a villain. The Hal who's mentoring Kyle, and who the audience grows to love, is a copy of Hal's consciousness from when he gave up the ring: still a valiant, selfless hero. Meanwhile, the villainous Parallax is the flesh-and-blood Hal, who has fallen to the Dark Side in the intervening years. So in the climax you have Good Hal helping Kyle defeat Evil Hal.
That lets you do the story where Hal becomes a bad guy and Kyle is the new hope for the Green Lanterns, while also having Hal as a hero who helps save the day.
Leader of the Holey Brotherhood
Modern portrayal of the Green Lantern Corps, when portraying the corps itself, have been wanting in my opinion. There's a tendency among a lot of writers to try to portray them like the marines, when they're more appropriately a police force (or even something more akin to the US Marshals in the old West). Training sequences I've seen portrayed seem modeled after army boot camp, which, again, is wrong headed. Boot camp is designed to both train recruits and to identify and remove those who, for whatever reason, can't adjust to military discipline. If the GL ring picks you, you're worthy (though, as with Sinestro, you might become unworthy later; I'd venture to say, being courageous, scrupulously honest, and having a strong will doesn't say anything about your moral compass). You might need training in it's use, but having other Lanterns doubt a chosen GL's worthiness when the only reason any of them are there is because the ring chose them seems to run counter to the whole concept. This is not to say GL's can't or wouldn't entertain private prejudices, but all of those prejudices could be easily countered with "The ring chose me. Get over it."
Didn't one of the movies already basically do that with Sinestro as the Denzel?
"The difference between reality and fiction is that fiction has to make sense." - Tom Clancy, paraphrasing Mark Twain.
Green Lantern: First Flight. The one where Hal gets a Magical Girl transformation.
Goku Black
That film was boss. I always thought it would be a perfect basis for a live action,green lantern film.
Finn Wittrock from American Horror Story is Guy Gardner
in the upcoming Green Lantern series on HBO Max.
Green Lantern Corps Actor Finn Wittrock Thinks New Series Will be Epic.
Huh, no set date on production, even if all the actors are in place. That’s remarkably transparent since usually we don’t hear full cast and crew until production is set to start.
HBO Max's Green Lantern Series Is Casting More Roles Ahead of 2022 Production Start
According to Backstage, Green Lantern is currently casting additional actors who will star opposite Jeremy Irvine and Finn Wittrock in the DC series, though no further details on that front are available at this time. However, according to the trade publication, "Production on the series is set to start later this year in Los Angeles."
Partially due to John Stewart being the Green Lantern for Justice League, Hal returning to prominence not long after and Guy getting some attention due to being an asshole, Kyle basically had his spotlight in the mid-to-late 90's and never broke out of that.