Guggenheim shares concept art from HBO Max's cancelled Green Lantern series
Arrowverse co-creator Marc Guggenheim posted concept art on Substack from an earlier HBO Max Green Lantern series, cancelled before DC Studios' "Lanterns". It would have starred Finn Wittrock as Guy Gardner.
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The story, neutrally told
Centre · 2Marc Guggenheim, who co-created Arrow and was a driving executive producer of The CW's Arrowverse, shared concept art on Substack from a cancelled live-action Green Lantern series that was developed for HBO Max. Screen RantN “shared on Substack the first look at the canceled live-action Green Lantern series that was initially going to air on HBO Max” Read at Screen Rant ↗ TVLineN “The producer revealed concept art of the actor on Substack” Read at TVLine ↗ Centre · 2The art showed Finn Wittrock in costume as Guy Gardner and a squad of Lanterns fighting a horde of aliens, which Guggenheim said was concept art for the pilot's opening sequence. TVLineN “also showing off imagery depicting a squad of Lanterns fighting a horde of aliens while wielding different green construct weapons” Read at TVLine ↗ Screen RantN “It was concept art for the opening sequence of our Pilot” Read at Screen Rant ↗ Centre · 1Guggenheim said the Gardner costume was early art by Gina DeDomenico from a design by Laura Jean Shannon, and that it would have been altered slightly to reflect his Justice League International look. Screen RantN “Early concept art for Guy Gardner’s costume by Gina DeDomenico off a design by Laura Jean Shannon.” Read at Screen Rant ↗
Centre · 2A third image showed Bree Jarta, a new character created for the series; Guggenheim said she was not Jo Mullein. No one had been cast in the role, according to Screen Rant. TVLine said Shannon seemingly used Janelle Monae's likeness for the character. Screen RantN “While no one ever got cast as Bree prior to this version of the show being cancelled” Read at Screen Rant ↗ TVLineN “concept artist Laura Jean Shannon seemingly used Janelle Monae's likeness for the character” Read at TVLine ↗ Centre · 2Guggenheim said the original show took place in two time periods, had the Manhunters as its primary villains, and was originally pitched under the title "Emerald Knights". Screen RantN “our original take took place in two time periods and had the Manhunters as the primary villains and my original title pitch was Emerald Knights” Read at Screen Rant ↗ TVLineN “Our original took place in two time periods and had the Manhunters as the primary villains” Read at TVLine ↗ Centre · 2Alan Scott, played by Jeremy Irvine, was to be a secretly gay FBI agent in 1941, while Gardner and Bree's story was set in 1984. Gardner was described as an embodiment of 1980s hyper-patriotism. Screen RantN “Alan's story was going to be set in 1941, exploring the secretly gay hero operating as an FBI agent” Read at Screen Rant ↗ TVLineN “embodiment of 1980s hyper-patriotism” Read at TVLine ↗
Centre · 1Screen Rant reports that Seth Grahame-Smith was showrunner with Guggenheim in the writers' room, and that the series was picked up for 10 episodes and later trimmed to eight. It also reports that Grahame-Smith left in October 2022, after which HBO Max and Warner Bros. TV chose to redevelop the show around John Stewart, with Greg Berlanti still attached as executive producer. Screen RantN “Grahame-Smith departed Green Lantern in October 2022, which also led to HBO Max and Warner Bros. TV deciding to redevelop the show with a new focus, this time on John.” Read at Screen Rant ↗ Centre · 2Screen Rant says that redevelopment did not get far once James Gunn and Peter Safran were hired as DC Studios co-heads, and the project was quietly cancelled as they planned the DCU. TVLine places the redevelopment after Warner Bros. merged with Discovery in April 2022, with Gunn and Safran changing the project's direction. Screen RantN “Berlanti's DC project was quietly cancelled once Gunn and Safran began to develop plans for what became the DCU franchise” Read at Screen Rant ↗ TVLineN “redeveloped after Warner Bros. merged with Discovery in April 2022” Read at TVLine ↗ Centre · 2The reveal follows the season 1 finale of DC Studios' "Lanterns", with Kyle Chandler as Hal Jordan and Aaron Pierre as John Stewart. Nathan Fillion, who plays Guy Gardner in Gunn's DCU, returns in it. TVLine says the series has a 91% Rotten Tomatoes score and that some viewers wanted more of the cosmic side of the Corps. Screen RantN “which brought Kyle Chandler and Aaron Pierre into the franchise as Hal Jordan and John Stewart, respectively, while also featuring the return of Nathan Fillion's Guy Gardner” Read at Screen Rant ↗ TVLineN “earning a 91% score on Rotten Tomatoes, some audiences wanted to see more of the cosmic side” Read at TVLine ↗
Every sentence links to the reporting it rests on. The pill in front of each says where its sources sit: Left, Centre or Right when one side supplies at least half of them, Mixed when they are evenly split. The number is how many outlets it cites.
Left0 outlets
No left outlet in our sources has covered this story yet.
Centre2 outlets
- Framing
- Both entertainment outlets treat the art as a fan-interest 'what might have been' tied to the success of Lanterns, contrasting the cancelled show with the current DCU series.
- Emphasis
- Screen Rant stresses the production history (showrunner, episode counts, cancellation). TVLine stresses the costume and cosmic look, and compares the two shows' structures.
- Leaves out or plays down
- Neither gives a first-hand account from HBO or DC Studios, and they differ on when and why the project ended.
- Charged language
- “tantalizing "what if" scenario”“Emerald Knights”
- For example
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“The world of DC TV almost had a very different Green Lantern show.” — Screen Rant
“the canceled Green Lantern series is still a tantalizing "what if" scenario for longtime comic fans” — TVLine
Right0 outlets
No right outlet in our sources has covered this story yet.
What every side reports
- Marc Guggenheim posted concept art on Substack from HBO Max's cancelled Green Lantern series.
- Finn Wittrock was to play Guy Gardner and Jeremy Irvine was to play Alan Scott.
- The original show used two time periods and Manhunters as villains, and Guggenheim's pitch title was Emerald Knights.
- Gunn and Safran's DC Studios later took the franchise in a different direction.
Where accounts differ
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Why and when the earlier series ended
- Centre
- Screen Rant: it was redeveloped after Grahame-Smith left in October 2022, then quietly cancelled once Gunn and Safran planned the DCU. TVLine: it was redeveloped after the April 2022 Warner Bros.–Discovery merger, with Gunn and Safran changing its direction.
Marc Guggenheim person
Posted the concept art and recollections on Substack, saying he has to reach into memory for trivia about the original take.
“I have to reach into my memory to recall other bits of trivia like that” — Screen Rant
Left0 articles
No coverage yet.
Centre2 articles
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Neutral Detailed explainer of the cancelled show's cast, setting and development history, linked to Lanterns and Fillion's DCU role.

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TVLineN ·
HBO's Canceled Green Lantern Series: See Finn Wittrock As Guy Gardner, Show's Cosmic Scope
Sympathetic Fan-oriented look at the Wittrock costume art, comparing it to Lanterns and calling the cancelled show a tantalizing what-if.

Right0 articles
No coverage yet.
- 7 Oct 12:00 First Screen RantN Before Nathan Fillion's DC Role, HBO's Canceled Green Lanterns Series Officially Unveiled By Arrowverse Producer
- 8 Oct 17:39 +29h 39m TVLineN HBO's Canceled Green Lantern Series: See Finn Wittrock As Guy Gardner, Show's Cosmic Scope
Times are when each article was published, or when we first saw it if the outlet gave no time.