James Gunn’s DCU Reveals A Major Truth About Nathan Fillion’s Green Lantern


Warning! This post contains SPOILERS for Lanterns episode 3

The latest release in James Gunn’s new DCU has revealed a major truth about Nathan Fillion’s Guy Gardner, the Green Lantern who first appeared in 2025’s Superman. Although he’s yet to appear in the brand-new Lanterns series, a recent episode has shed new light on the Green Lantern Corps as a whole, effectively reshaping how we see Guy’s role in Superman a year later.

Having debuted as the “Justice Gang’s” most obnoxious and stubborn member, Nathan Fillion’s portrayal of Guy Gardner in Superman is remarkably faithful to the character as he’s seen on the page. Now, the DCU’s new Lanterns series has premiered on HBO Max, starring Kyle Chandler as Green Lantern veteran Hal Jordan and Aaron Pierre as trainee John Stewart with the duo investigating a series of alien murders in 2016 and its consequences in the present.

Following the release of Lanterns episode 3, we’ve learned quite a bit about the origins of John Stewart, how he was selected to serve as Hal Jordan’s replacement, as well as the Green Lantern Corps as a whole, the Guardians of the Universe, and a Green Lantern’s role as an intergalactic peacekeeper. As such, one reveal in particular absolutely reshapes how Guy Gardner should be viewed in 2025’s Superman.

Lanterns Episode 3 Proves Guy Gardner Wasn’t Lying in Superman About His Vows

In Lanterns episode 3, John Stewart’s unique interview with one of the Guardians is shown in 2016. During this meeting, we learn that John’s time as a Marine sniper ended after he was dishonorably discharged, taking the official blame for a mission gone wrong. This was because Hal Jordan inserted himself into a covert government operation he shouldn’t have known about in the first place, taking down and delivering a major international terrorist and money launderer whom Stewart spent nine months scoping out.



















Sector 2814 · Ring Active
How Well Do You Know Lanterns?
“In brightest day, in blackest night…”

💍The RingPowered by will

🔦The Corps3,600 sectors

🌌OaThe Guardians

👮Earth BeatSector 2814

Yellow
Peril
The fear entity

01

Lanterns is one of the tentpole TV series launching James Gunn and Peter Safran’s rebooted DC Universe. On which streaming platform does it air?




✓ Correct! HBO Max — Warner Bros. Discovery’s flagship streamer and the natural home for DCU prestige TV alongside Peacemaker and The Penguin. Lanterns is positioned as the DCU’s high-end serialised drama counterpart to Gunn’s theatrical Superman relaunch, sharing canon with the films. Disney+ runs Marvel; Netflix and Apple are rival streamers.

✗ Ring malfunction! The answer is HBO Max. Netflix has had various superhero shows but not DCU. Disney+ is Marvel’s home. Apple TV+ doesn’t house DC. HBO Max is Warner Bros. Discovery’s streamer and the TV home of the Gunn/Safran DCU — Lanterns joins Peacemaker and upcoming DCU series there.

02

Unlike most Green Lantern adaptations, Lanterns pairs two Earth-based ring-bearers in a buddy-cop framework — a weathered veteran and a newer recruit partnered together on Sector 2814 duty. Which two Lanterns lead the show?




✓ Correct! Hal Jordan and John Stewart — two of the most beloved Earth-assigned Lanterns — are paired as the show’s central duo. Hal is the hot-shot test-pilot veteran, John the disciplined ex-Marine architect with a sharper sense of justice. The pairing draws heavily from the Geoff Johns comics era and lets the show explore two very different philosophies of what a Green Lantern should be.

✗ Ring malfunction! The answer is Hal Jordan and John Stewart. Guy Gardner (played by Nathan Fillion) is a separate DCU character who appears in the 2025 Superman film. Kyle Rayner is a beloved Lantern but not part of this show. The Lanterns duo is the Hal/John pairing — a pointedly contrasting veteran and recruit on Sector 2814 duty together.

03

The role of Hal Jordan — the weathered, test-pilot-turned-space-cop original Earth Lantern — went to a veteran actor best known as Coach Eric Taylor on Friday Night Lights and for leading Bloodline. Who plays Hal?




✓ Correct! Kyle Chandler — Emmy winner for Friday Night Lights, star of Bloodline, and part of the Monsterverse (Godzilla: King of the Monsters) — plays an older, weathered Hal Jordan. James Gunn wanted a seasoned, grounded presence rather than a rookie. Ryan Reynolds played Hal in 2011’s widely-mocked Green Lantern film (a different continuity); Nathan Fillion plays Guy Gardner in the 2025 Superman film.

✗ Ring malfunction! The answer is Kyle Chandler. Ryan Reynolds’ Hal was the 2011 film (a separate, mostly-disowned continuity). Nathan Fillion plays Guy Gardner in the 2025 Superman film — not Hal. Chris Pine isn’t in the DCU. Chandler’s weathered, Friday-Night-Lights gravitas is exactly the mature Hal energy Gunn wanted for the show.

04

John Stewart — ex-Marine sniper, architect, and one of DC’s most iconic Black heroes — is played by a British actor who broke out in Barry Jenkins’ The Underground Railroad and Jeremy Saulnier’s Rebel Ridge. Who is he?




✓ Correct! Aaron Pierre — the British actor who earned raves as Caesar in The Underground Railroad (2021) and carried Netflix’s Rebel Ridge (2024) with a performance frequently compared to early Denzel Washington. Gunn called his casting “a no-brainer.” Winston Duke, Sterling K. Brown and John Boyega are all great actors but not in the role.

✗ Ring malfunction! The answer is Aaron Pierre. Winston Duke is M’Baku in the Marvel universe. Sterling K. Brown (This Is Us, American Fiction) is Marvel-adjacent too. John Boyega famously played Finn in Star Wars. Pierre’s Rebel Ridge performance — playing a disciplined ex-Marine — is essentially his audition for John Stewart, and Gunn’s team cast him off it.

05

James Gunn has repeatedly pitched Lanterns as a grounded, small-town murder-mystery thriller — where the space-cop rings are secondary to a detective case on Earth. Which acclaimed HBO series is his go-to tonal comparison?




✓ Correct! Gunn has explicitly called Lanterns his “True Detective in the DCU” — a slow-burn, atmospheric, character-driven case with superhero elements layered over a grounded murder mystery. Showrunner Chris Mundy actually did True Detective: Night Country duties, bringing that DNA directly. Watchmen (Damon Lindelof) was also cited, and Lindelof has consulting writer credits, but True Detective is the primary comp.

✗ Ring malfunction! The answer is True Detective. Gunn has named it as the explicit tonal blueprint — a slow-burn, character-driven murder mystery with superhero elements layered over it. Chris Mundy, the show’s runner, worked on True Detective: Night Country, bringing the DNA directly. Watchmen was a secondary comp (Damon Lindelof consults), but True Detective is the primary pitch.

06

When James Gunn and Peter Safran took over as DC Studios co-CEOs in 2022, they announced a rebooted slate of interconnected films and TV shows — with Lanterns among the launch titles. What is this first DCU phase officially called?




✓ Correct! Chapter 1: Gods and Monsters — announced in January 2023 as the Gunn/Safran DCU’s opening slate. It includes Superman (2025), The Authority, Supergirl, The Brave and the Bold, Paradise Lost, Waller, Creature Commandos, and of course Lanterns. Crisis on Infinite Earths is a comics event; Flashpoint and Dark Knights are other DC storylines, not the chapter branding.

✗ Ring malfunction! The answer is Chapter 1: Gods and Monsters. Crisis on Infinite Earths is a famous DC comics crossover event (and Arrowverse crossover) but not a DCU chapter label. Flashpoint was referenced in The Flash (2023) from the now-defunct DCEU. The Gunn/Safran era officially named its launch phase Gods and Monsters — Superman 2025, Lanterns, and related titles.

07

Green Lanterns serve the Guardians of the Universe, an ancient race who created the Corps’ 3,600-sector peacekeeping force and charge the Lantern rings from a central Power Battery on their home planet. What is the Guardians’ homeworld called?




✓ Correct! Oa — the small blue-skinned Guardians’ home at the centre of the universe. It houses the Central Power Battery from which all Green Lantern rings draw their energy, and serves as the Corps’ academy and operational base. Krypton is Superman’s destroyed homeworld; Themyscira is Wonder Woman’s hidden Amazon island; Apokolips is Darkseid’s hellscape.

✗ Ring malfunction! The answer is Oa. Krypton is Superman’s homeworld. Themyscira is Paradise Island where Wonder Woman was raised. Apokolips is Darkseid’s grim world in the Fourth World mythos. Oa is specifically the Guardians of the Universe’s planet — home to the Central Power Battery that fuels every Green Lantern ring in all 3,600 sectors.

08

Every Green Lantern recites the same oath when charging their ring — a four-line rhyming incantation that’s become one of the most famous pieces of verse in comic-book history. How does it famously begin?




✓ Correct! “In brightest day, in blackest night / No evil shall escape my sight / Let those who worship evil’s might / Beware my power — Green Lantern’s light!” The oath dates back to 1940’s All-American Comics #16, was refined through the Silver Age, and is considered one of DC’s most sacred bits of verse. Every canonical adaptation includes some version of it.

✗ Ring malfunction! The answer is “In brightest day, in blackest night…” The full oath: “No evil shall escape my sight / Let those who worship evil’s might / Beware my power — Green Lantern’s light!” It’s been canon since 1940 and remains one of comics’ most instantly recognisable pieces of verse — recited in every major Green Lantern adaptation.

Ring Depowered · Report to Oa
Your Corps Rank

💍

/ 8

Honor Guard veteran — or still in Corps training?

After John recounts his last mission with the military, Laura Linney’s Guardian confirms that the Guardians had repeatedly admonished Hal for using his powers as a Green Lantern in terrestrial disputes. Keeping that in mind, this directly supports a key moment in 2025’s Superman with Guy Gardner’s Green Lantern.

Although Hawkgirl and Mister Terrific assumed Guy was simply including whatever he didn’t want to do as being against his Green Lantern vows, it seems the Corps really does discourage its officers from interfering in geopolitical affairs. As such, this new Lanterns reveal makes Guy’s decision to get involved in the nation of Jarhanpur and help Superman even more admirable, ignoring his intergalactic orders for the sake of doing the right thing on his homeworld. While some of his other excuses may very well be excuses, it’s pretty cool to learn that he wasn’t lying about at least one of them.

How Was Guy Gardner “Commandeered” By The Green Lantern Corps?

Laura Linney in Lanterns SDCC Trailer

Although he hasn’t appeared yet in DCU’s new Lanterns series, we know Nathan Fillion’s Green Lantern is coming. His appearance has already been teased through promotional material, as well as various comments from the show’s creators and Fillion himself since the show was first announced. As such, the hope is that the new series will eventually provide new insights about Guy’s origins with the Green Lantern Corps (not to mention how he got involved with Maxwell Lord’s Justice Gang).

Seeing as how the Guardians changed their selection process in 2016 by interviewing potential candidates themselves rather than letting the rings choose, one had to wonder if Guy had his own interview (and when). However it all shakes out, perhaps Guy’s upcoming role in Lanterns can shed new light on a comment he makes in Superman about being “commandeered” by the Green Lantern Corps, as it’s a somewhat interesting word choice. Perhaps his recruitment wasn’t as straightforward as other Lanterns, and he didn’t have much of a choice?

Considering Hal Jordan’s apparent death in 2026 and John Stewart supposedly meant to be his replacement, it’s going to be fascinating to learn how Guy Gardner fits into the equation and everything else going on as Lanterns continues.

New episodes of Lanterns release Sunday nights on HBO Max from DC Studios.


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Release Date

August 16, 2026

Network

HBO

Showrunner

Chris Mundy

Directors

Alik Sakharov, James Hawes, Stephen Williams

Writers

Damon Lindelof, Chris Mundy

  • Headshot Of Kyle Chandler

  • Headshot Of Aaron Pierre

    Aaron Pierre

    John Stewart




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