Warning: Spoilers for The Flash season 8, episode 18
With its ending to the Arrowverse’s Green Lantern story, The Flash just fixed the biggest problem with Diggle’s spinoff. Through a surprise appearance in The Flash season 8, episode 18, titled “The Man in the Yellow Tie”, the Arrowverse unexpectedly concluded Diggle’s Green Lantern arc. After months of deliberating over what to do about the ring he received in the Arrow series finale, Diggle decided against becoming the Green Lantern.
TheArrow series finale’s promised an interesting future for Diggle, but at the time it was unclear if it would ever be shown or if it was always meant to be open-ended. In the aftermath of the finale, the Arrowverse used a string of guest appearances from the character to continue his story and directly address his Green Lantern story. However, two years have passed and yet Diggle still hasn’t donned the ring. That being said, the Arrowverse clearly isn’t done with his character. In addition to an upcoming role in the Superman & Lois season 2 finale, The CW has plans for an Arrowverse spinoff centered on Diggle, titled Justice U. Apparently, the show will hinge on Diggle mentoring five super-powered college students.
Related: The Flash Season 8 Is Missing 1 Thing That Made Earlier Seasons Good
Diggle’s Green Lantern journey posed a huge issue for his spinoff story, but thanks to The Flash, it’ll no longer be an obstacle. If Justice U is greenlit, Diggle will lead an undercover operation involving young metahumans enrolled at a university. This sort of premise just doesn’t fit with the sort of future that Arrow’s ending set up for Diggle. As Diggle noted in The Flash, a “cosmic destiny” as the Green Lantern would call for him to leave his
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