Justice League of America #50

Published by DC Comics in December 1966, Justice League of America #50 arrived during the Silver Age of Comic Books. This milestone issue was written by Gardner Fox, a prolific architect of the DC Universe, and features cover art and interior illustrations by Mike Sekowsky. The story centers on the team's battle against the Key, a classic villain who utilizes advanced technology to challenge the collective strength of the Justice League members, such as Superman, Batman, and Wonder Woman.

The issue is historically significant not only for hitting the half-century mark but for how it reflects the creative standards of the era. Mike Sekowsky’s kinetic, illustrative style helped define the visual language of the Justice League during his decade-long tenure on the title. The comic was well-received by readers of the time, solidifying the team's position as the centerpiece of DC’s growing interconnected universe while maintaining the adventurous, slightly whimsical tone characteristic of mid-sixties superhero storytelling.