According to Diamond Comic Distributors, Marvel Comics was the top selling comic book publisher in 2018, although DC Comics' "Action Comics" #1000, was the top selling single comic book of the year:
The top-10 selling books in 2018:
1.) "Action Comics" #1000, DC Comics.
2.) "Amazing Spider-Man" #800, Marvel Comics.
3.) "Batman" #50, DC Comics.
4.) "Fantastic Four" #1, Marvel Comics.
5.) "Amazing Spider-Man" #1, Marvel Comics.
6.) "Return of Wolverine" #1, Marvel Comics.
7.) "Venom" #1, Marvel Comics.
8.) "Amazing Spider-Man" #798, Marvel Comics.
9.) "The Batman Who Laughs" #1, DC Comics.
10.) "Amazing Spider-Man" #799, Marvel Comics.
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