This is the comic that introduced the most iconic World War II legend in the Marvel Universe - Captain America. It also introduced his young sidekich Ally Bucky Barnes. This patriotic superhero was created by Joe Simon and Jack Kirby. Interestingly, the cover of the first issue featured Captain America punching the Nazi leader Adolf Hitler. It was a controversial cover, with the political situation of the world, and sold nearly one million copies. In fact, this issue was published just a few months before the US entered World War II. In April 2022, it was auctioned for $3.1 million at Heritage Auctions.
“Captain America Comics-1 (March 1941 Timely Comics)” (Fair use) via Commons Wikimedia