CATALOG RECORD

Adventure Comics #310

DC · Series began 1938 · July 1963

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WHY COLLECTORS WANT IT

Mask Man (Mr. Mxyzptlk V, 30th century) — first appearance

Dates

Cover date: July 1963
On sale: May 29, 1963
Pages: 36

Values

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Editions and covers

Original edition
Source ↗

Creators

pencils: Curt Swan, John Forte, Sheldon Moldoff, Henry Boltinoff, George Pappinks: George Klein, John Forte, Sheldon Moldoff, Henry Boltinoff, George Pappletters: Gaspar Saladino, Milt Snapinn, Joe Letterese, Ira Schnapp, Henry Boltinoffscript: Edmond Hamilton, Jack Schiff, Henry Boltinoff, George Kashdan

Stories

The Doom of the Super-Heroes! · 8.67 pages
The Legion confronts a masked raider looting Metropolis, who turns out to be deadly, killing several of the Legionnaires.
[The Doom of the Super-Heroes!] Part II Last Stand of the Legion! · 7.67 pages
Superboy figures out Mask Man's identity and returns him to the 5th dimension, restoring to life all the Legionnaires.
Untitled · 0.67 pages
Little Pete writes a composition about the fact that it is raining after watching Superman on TV.
When Krypto Was Superboy's Master! · 7.67 pages
Superboy and Krypto exchange minds.

Publisher’s description

What's this? Krypto as the master and Superboy as the pet? What event led to this strange set of circumstances? Find out in "When Krypto was Superboy's Master!" Then in the Legion back-up, things turn deadly when a mysterious masked man begins killing the Legionaries one by one!

Characters

Clark KentSupermanSuperboyLana LangKryptoImra ArdeenRokk KrinnSaturn GirlQuerl DoxCosmic BoyBrainiac 5Jo NahReep DaggleLar GandUltra BoyDirk MorgnaTinya WazzoChameleon BoyLuornu DurgoSun BoySalu DigbyAyla RanzzMon-ElThom KallorJan ArrahPhantom GirlGim AllonElement LadChuck TaineShrinking Violet

Reprinted in

The Legion of Super-Heroes Archives (1991), Showcase Presents: Legion of Super-Heroes (2007), Legion of Super-Heroes: The Silver Age Omnibus (2017), Legion of Super-Heroes: The Silver Age (2018), Action Comics (1938)