A couple months ago, Marvel solicited a special collection of their Marvel Masters works hardcover line aimed at celebrating the publisher's 75th Anniversary. Dubbed the "Marvel Famous Firsts: 75th Anniversary Masterworks Slipcase Set," this collection includes ten Vol. 1 hardcovers from the Marvel Masterworks series, covering classic Silver Age comics like The Avengers, Fantastic Four, Amazing Spider-Man, and The X-Men.