A team of World War II heroes, assembled from disparate corners of the globe, must unite to combat a new, insidious threat that endangers the Allied war effort. The All-Star Squadron, comprised of both established and newly discovered superheroes, faces the machinations of Baron Blitzkrieg and his Shadow Cabinet, a cabal of villains seeking to exploit the chaos of war for their own nefarious ends. Operating from a hidden base in Washington D.C., they must navigate the political landscape of wartime America while confronting enemies who possess both super-powered abilities and strategic genius. The narrative framework is that of a classic superhero team-up, drawing on the rich history of Golden Age comic characters.

The All-Star Squadron is celebrated for its ambitious scope in bringing together a vast array of DC Comics' Golden Age characters under one banner. The series is noted for Roy Thomas's meticulous research and his ability to weave these disparate heroes into a cohesive and engaging narrative that respects the established continuity of the era. Readers appreciate the blend of classic superhero action with the backdrop of World War II, offering a nostalgic yet thrilling experience. The collection is often praised for its comprehensive approach to a significant period in comic book history, making it a valuable read for both long-time fans and newcomers interested in the origins of the superhero genre.