Cover: Ron Frenz & Bob McLeod

Thundercats #20

Feb 1988 · Marvel · 1.00 USD; 1.25 CAD

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“Excalibur!”

In "Excalibur!", Mumm-Ra, masquerading as King Arthur, attempts to claim the legendary sword Excalibur to rival the Thundercats' Sword of Omens. Disguised and wielding dark magic, he confronts Lion-O—only to be undone by the ancient wisdom of Merlin the Magician. Written by Daryl Edelman and Ernie Colón, with inks by Al Williamson and colors by Petra Scotese, this 1988 Marvel issue features a striking cover by Ron Frenz and Bob McLeod.

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writer Daryl Edelman · artist Ernie Colón · inker Al Williamson · colorist Petra Scotese · letterer Rick Parker · writer Peter Lawrence · cover Ron Frenz, Bob McLeod

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Cast · 2 characters

Lion-O Mumm-Ra

Full credits

writer Daryl Edelman

artist Ernie Colón

inker Al Williamson

colorist Petra Scotese

letterer Rick Parker

writer Peter Lawrence

cover pencils Ron Frenz

cover inks Bob McLeod

Full plot ⚠ may contain spoilers

▸ Reveal full plot — may contain spoilers

In order to match the power of the Thundercats' Sword of Omens, Mumm-Ra seeks out the legendary sword Excalibur. Disguised as King Arthur, Mumm-Ra challenges Lion-O but is stripped of his power by the ancient Merlin the Magician.

Plot details indexed by the Grand Comics Database (CC BY-SA).

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