Adventure Comics #500 (Newsstand Edition by Keith Giffen)

Reprints; Reprints Adventure Comics #305-313, and Superman’s Pal Jimmy Olsen #72; Origin of Mon-El

The Secret of the Mystery Legionnaire!; The Legion of Substitute Heroes!; The Secret Power of the Mystery Super-Hero!; The Return of Lightning Lad!; The Legion of Super-Monsters!; The Legion’s Super-Showdown!; The Doom of the Super-Heroes!; The Last Stand of the Legion!; The War Between the Substitute Heroes and the Legionnaires!; The Duel of the Legions!; The Super-Sacrafice of the Legionnaires!; The Bravest Legionnaire!; The World of Doomed Olsens!; The Condemned Legionnaires!; The Secret of Satan Girl!; The First Five Hundred Issues (text); The Story Behind the Stories: (text)

Writers: Jerry Siegel, Edmond Hamilton, E. Nelson Bridwell, Paul Levitz

Artists: John Forte, Curt Swan, George Klein