ThunderCats #20 published by Marvel's Star Comics imprint, cover dated February 1988, priced at $1.00 US / $1.25 CAN / 40p UK. The cover features the headline 'The Sword of Omens vs. Excalibur!' and depicts Lion-O on a white horse engaged in a jousting-style confrontation with a black-armored knight on a dark horse. Cover art is credited to Frenz and (likely) Rodd. The issue carries the Comics Code Authority stamp and Marvel's official indicia. A Spider-Man face icon appears in the lower left corner as part of Marvel's Star Comics branding. ThunderCats was the licensed comic adaptation of the popular 1980s animated series, making this a sought-after piece of licensed media nostalgia for fans of the franchise and vintage Marvel comics alike.