Best-selling American single-issue comic books of all time in the U.S. 2019
According to the most recently available data, the best-selling American single-issue comic of all time was X-Men #1, which was published in 1991 and has since sold almost 8.2 million copies. Star Wars #1, which came out in 2015, ranked in second place with over one million copies sold, followed by Batman: The 10-Cent Adventure.