ThunderCats #24
☆ Be the first to review + Add to your collection — Join freeThunderCats #24 (Dynamite Entertainment, February 2026) is a pivotal lore-delivery issue in writer Declan Shalvey's long-form reconstruction of the ThunderCats mythology, functioning as an in-universe history lesson rather than a conventional action installment. Lion-O's unlocking of the Book of Omens — and the Sword of Omens speaking directly to him inside its pages — marks the narrative's formal transition into what reviewers have called the 'Third Age of Thunder,' anchoring two years of serialized world-building into a single reflective chapter. The issue also introduces the existence of a separate group of ThunderCats lost in time (including a reference to Bengali), directly seeding the story threads that would escalate into the larger ThunderCats x SilverHawks crossover event. As the penultimate chapter of Shalvey and Drew Moss's complete run (which concluded at #25), it serves as the emotional and mythological keystone of their entire tenure on the series.
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We Buy Collections ▸History
The Dynamite ThunderCats series was announced at NYCC 2023 as part of a licensing partnership with Warner Bros. Discovery, with Declan Shalvey (writer) and Drew Moss (artist) named as the core creative team, and Nate Cosby serving as editor. The series launched in February 2024 with a 'Year One' approach — dropping the ThunderCats immediately after their crash-landing on Third Earth — and Shalvey has publicly described the editorial environment as collaborative and creatively open, with Cosby encouraging wilder story choices. For issue #24 specifically, regular series artist Drew Moss stepped aside in favor of guest artist David O'Sullivan, with colors by Arancia Studio and letters by Jeff Eckleberry; the visual format was deliberately designed to resemble the pages of the Book of Omens itself, with the Lion-O/Sword of Omens dialogue playing out in the margins.
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- Published by Dynamite Entertainment; cover-dated February 2026; went on sale February 18, 2026 (Dynamite's own product page cites an on-sale date of 2/25/26, while League of Comic Geeks and Flickering Myth list February 18 — a minor scheduling discrepancy across sources).
- Written by Declan Shalvey; interior art by David O'Sullivan (a guest artist filling in for regular series penciler Drew Moss); colors by Arancia Studio; letters by Jeff Eckleberry.
- Central story event: Lion-O unlocks and enters the Book of Omens for the first time in the Dynamite continuity, receiving the full in-universe history of Thundera directly from the Sword of Omens.
- Key lore revelations include visions of the Third Age of Thundera, Lion-O's father Claudus alongside Jaga, the mysterious ThunderCat named Grune, and the Great War between the Thunderians and the Mutants.
- First mention/introduction in the Dynamite continuity of Bengali (or his team) as a group of ThunderCats lost in time, establishing a new mission for Lion-O going forward.
- The issue's page layout was structured to visually replicate the pages of the Book of Omens, with the narrative conversation between Lion-O and the Sword of Omens running in the margins — an atypical format for the series.
- Cover gallery for the issue includes art by Lucio Parrillo (Cover A), Declan Shalvey (Cover B), Jae Lee & June Chung (Cover C), Emilio Pilliu (Cover D), Manix Abrera (Cover E), and a Drew Moss Action Figure variant (Cover F), plus multiple ratio incentive virgin variants.
- This is the penultimate issue of the Shalvey/Moss run; their tenure concluded with ThunderCats #25 (March 2026), after which both creators publicly confirmed more ThunderCats work was in development in other forms.
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