The Legion of Super-Heroes 1980 #300 Direct ed. - back issue - $2.75

As most of the Legion gathers for a celebration ceremony, Mon-El and Shadow Lass fend off a Khund attack on the Science Asteroid while Brainiac 5 and Rond Vidar, at the Time Institute, are trying to help a patient tortured by visions of several alternate futures.

Superboy's Legionnaire friends arrive just in time to foil Lex Luthor's latest plot. Later, Superboy surprises them by resigning, saying that he needs to protect Earth in his own time to honor an oath made to his dying father.

Computo teams up with the Legion of Super-Villains to kill seven Legionnaires. The Legion of Substitute Heroes joins the Legion to replace the fallen members.

The Adult Legion battles the Fatal Five.

An alternate Adult Legion abolishes the Legion code against killing, which leads to Superman's resignation.

Mordru has conquered Earth but the Legion, with the help of the White Witch, drives him away once more.

Still under the control of the Dark Man, the traitor Blok helps demolish Legion HQ, murdering the entire team.

• - The cover of this book was a part of a contest. Readers could try to identify the artist who drew each character. The reader that guessed the most correctly won an autographed page of Giffen/Mahlstedt art from this issue. The contest winner was David C. Zimmerman of St. Louis, MO. Second-prize winners won a Legion poster. Cover credits are credited as revealed in the letter column for Legion of Super-Heroes #306 (December 1983).
• The Future Is Forever! - Pages 1-5, 12, 18-20, 26, 27, 33, 34, 41, 42, 48-55. The last two pages are a double spread illustration featuring active, reserve and honorary Legion members, supporting characters, and Spider-Man, Garfield (from the daily comic strip), Batman (shadow), Lenny and Squiggy (from the TV series Laverne and Shirley), writer Paul Levitz, penciller Keith Giffen, inker Larry Mahlstedt, and editor Karen Berger.
• The Future Is Forever: First Vision - Pages 6-11. A tale of the early Legion (pre-Adventure Comics #300), but in which Superboy's parents the Kents died much sooner.
• The Future Is Forever: Second Vision - Pages 13-17. Drawn in the style of John Forte.
• The Future Is Forever: Third Vision - Pages 18-22. Additional members who have died since the first Adult Legion story (Adventure Comics #354-355) include Lightning Man, Saturn Woman, Cosmic Man, Matter-Eater Man, and Queen Projectra.
• The Future Is Forever: Fourth Vision - Pages 28-32.
• The Future Is Forever: Fifth Vision - Pages 35-40.
• The Future Is Forever: Sixth Vision - Pages 43-47.
• - Letters submitted by Kevin Hawn, Kevin T. Brown, Steve Bellew, and Dave Blanchard.