Infinity War #1 CGC 9.8 - First Appearance Doppelgangers | Marvel 1992 Key Thanos Adam Warlock Spider-Man. Infinity War #1 CGC 9.8 - First Appearance of the Doppelgangers | Marvel 1992 Key Issue. Infinity War #1 (Marvel Comics, 1992) marks the explosive start of Jim Starlin’s legendary cosmic saga — featuring thefirst appearances of the Doppelgangers, including the terrifyingSpider-Man Doppelganger.
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