Hawkeye

Hawkeye (1983) #1

First Appearance: Hawkeye solo series debut

First issue of Hawkeye's first solo limited series by Mark Gruenwald. Clint Barton navigates his own adventure independent of the Avengers in this four-issue series that helped establish Hawkeye as a fan-favorite character.

X-Men (1963) #1

First Appearance: X-Men (Cyclops, Marvel Girl, Beast, Iceman, Angel), Magneto

The first appearance of the X-Men and Magneto. Stan Lee and Jack Kirby introduced Professor Xavier's team of mutant students and their greatest nemesis in this landmark 1963 issue. One of the most valuable Silver Age keys — high-grade copies regularly sell for six figures.

Avengers (1963) #55

First Appearance: Ultron — first full appearance

The first full appearance of Ultron, Marvel's most dangerous robotic villain. Created by Hank Pym, Ultron becomes one of the Avengers' greatest recurring enemies. A major Silver Age key — Ultron's profile has risen enormously with the MCU Age of Ultron film.

Avengers (1963) #57

First Appearance: Vision (The Vision) — first appearance

The first appearance of the Vision, the synthezoid Avenger created by Ultron. Written by Roy Thomas with art by John Buscema. One of the most important Silver Age keys — Vision's story of becoming human and finding love with the Scarlet Witch is one of Marvel's greatest. High-grade copies command strong prices.