CATALOG RECORD

Justice League of America #55

DC · Series began 1960 · August 1967

first appearance of Robin as adult

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WHY COLLECTORS WANT IT

Robin (Dick Grayson) — joins- first appearance as adult
Gem Girl (Claire Morton, DC) — first appearance, villain
How Chu (DC) — first appearance, villain
Money Master (Horace Rowland, DC) — first appearance, villain
Smashing Sportsman (Marty Baxter, DC) — first appearance, villain

Dates

Cover date: August 1967
On sale: June 13, 1967
Pages: 36

Editions and covers

Original edition
Source ↗

Creators

pencils: Mike Sekowsky, Carmine Infantino, Curt Swaninks: Murphy Anderson, Sid Greene, Chuck Cuidera, George Klein, George Roussosletters: Ira Schnapp, Gaspar Saladinoscript: Gardner Fox, Julius Schwartz

Stories

The Super-Crisis That Struck Earth-Two! · 22 pages
The JSA, with new member an adult Robin, confront and are defeated by four normal persons on Earth-2, powered by black matter from another universe. When they ask for help from the JLA using Johnny's T-Bolt, he brings them a battered JLA team, suffering the same problem as their counterparts. Both groups them learn the black matter's origins, and resolve to end the problem on Earth-2 first, lest both worlds be destroyed.

Characters

Clark KentSupermanDick GraysonPrincess DianaWonder WomanRobinHal JordanGreen LanternOliver QueenBarry AllenGreen ArrowThe FlashCarter HallHawkmanHourmanRex TylerJohnny ThunderMr. TerrificTerry SloaneMarty BaxterHow ChuGem GirlMoney MasterClaire MortonHorace RowlandSmashing Sportsman

Reprinted in

Justice League of America Archives (1992), Crisis on Multiple Earths (2002), Showcase Presents: Justice League of America (2005), Robin, The Boy Wonder: A Celebration of 75 Years (2015), Justice League of America: The Silver Age Omnibus (2016), Crisis on Multiple Earths (2021), DC Finest: Justice League of America: The Bridge Between Earths (2024)