ACTION COMICS #340 1966-Superman. First appearance of PARASITE fn+: (1966) Comic | DTA Collectibles
Superman's Debut, the 'Holy Grail' of Comics, Sells for Nearly $1 Million
Action Comics No. 1; June 1938 (first appearance of Superman). | Quadrinhos de superhomem, Capas de quadrinhos, Coleção de quadrinhos
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Superman First Appeared In Comics Today, 83 Years Ago
Superman First Appearance in Action Comics #1 Sells for Record $3.25 Million
Action Comics 1 - Wikipedia
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SUPERMAN'S GIRLFRIEND LOIS LANE #74 First appearance of Bizarro Flash | Comic Books - Silver Age, DC Comics, Lois Lane, Superhero / HipComic
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Comic featuring Superman's first-ever appearance sells for £2,300,000 | Metro News
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In the Golden Age of Comics, Superman made his first appearance in Action Comics #1. Back then Superman was A… | Superman comic books, Superman, Golden age comics
Superman (comic book) - Wikipedia
First Appearance of Superman Action Comics #1 1938 by Mando776 on DeviantArt