Read a preview of Emperor Aquaman #21 from DC Comics, written by Jeremy Adams with art by John Timms.
Emperor Aquaman #21 Preview
Check out a preview of the September 9, 2026 publishing issue here! Click the thumbnails for larger versions:
Emperor Aquaman #21 Official Synopsis:
THE TIDAL WAR BEGINS! It’s an epic clash of good versus evil in the ultimate battle on the seven seas in “Tidal War: Part One”! When Ocean Master, Black Manta, the Crimson Queen, and more forged an alliance to destroy their shared archenemy, they had no idea that the destruction of Aquaman would also signal the vacated throne of the new Empire of the Blue! But now a massive tidal wave offers the opening salvo to a conflict that will span all the kingdoms of the heavens themselves. Do not miss the start of this new Aquaman adventure!
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