Earth's Mightiest Heroes assemble for the first time to face Loki's machinations.

Summoned by the God of Thunder, Iron Man, the Hulk, Ant-Man, and the Wasp unite to combat Loki's schemes, forming the Avengers. Their ranks soon swell with the addition of Captain America, a hero returned from a long slumber. Together, they confront formidable foes like Kang the Conqueror, Wonder Man, the Space Phantom, and Baron Zemo, forming the Masters of Evil. The team's cohesion is tested when the Hulk departs, aligning himself with the Sub-Mariner, leading to a confrontation with his former allies.

This collection offers a foundational look at the Avengers' earliest adventures, presenting the origin stories and initial conflicts that established Marvel's premier superhero team. The narratives showcase the iconic characters and villains that would define the Marvel Universe for decades, presented in a format accessible to new and long-time fans alike. Readers can expect classic storytelling from Stan Lee and early Marvel artists, capturing the spirit of the Silver Age of comics. The inclusion of seminal issues provides a comprehensive look at the team's formation and their initial struggles to maintain unity against formidable threats.