https://www.cbr.com/batman-spawn-take-flight-dark-knight-returns-homage-superman-wildcats-variant-covers/
https://www.cbr.com/superman-nightwing-joker-collide-spawn-dc-variant-covers-batman/
https://www.cbr.com/spawn-batman-harley-quinn-wonder-woman-poison-ivy-catwoman-dc-variant-covers/
出張版？でDCともカバーコラボしてるね