ComicConnect is celebrating the start of summer with plenty of new books added to their Summer Mega Monthly Auction, which is set to launch on Monday, July 28, 2025.

That includes the Sinister Six making their debut in Amazing Spider-Man Annual #1 as part of a selection of early Amazing Spider-Man titles. First appearances include Professor Zoom in The Flash #139 and Jack Kirby introducing Dr. Droom as Marvel’s first Silver Age superhero in Amazing Adventures #1. Kirby also presents Galactus’ first full appearance in Fantastic Four #49, plus the cover for Black Widow’s villainous debut in Tales of Suspense #52.

Krypto makes his second appearance in Adventure Comics #214, and the Justice League of America has their second try-out in Brave and the Bold #29 before moving on to Justice League of America #1. High grade heroics include the classic cover to Batman #207 9.6. That’s all in addition to rare Golden Age finds and key issues.

ComicConnect is seeking consignments for the upcoming Event Auction 63. Original art consignors can reach out to Micah Spivak at micahs@comicconnect.com, sellers can also contact Peter Barbella at peterb@comicconnect.com, or call (212) 260-4147 and toll free at (888) 779-7377.