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in: Carmine Infantino/Executive Editor, Mike Sekowsky/Cover Artist, Murphy Anderson/Cover Artist Gardner Fox/Writer, Mike Sekowsky/Penciler, Sid Greene/Inker, Julius Schwartz/Editor, Justice League of America (New Earth)/Appearances, Bartholomew Allen (New Earth)/Appearances, Oliver Queen (New Earth)/Appearances, Hal Jordan (New Earth)/Appearances, Kal-El (Earth-One)/Appearances, Justice Society of America (New Earth)/Appearances, Carter Hall (New Earth)/Appearances, Rex Tyler (New Earth)/Appearances, John Thunder (New Earth)/Appearances, Yz (New Earth)/Appearances, Richard Grayson (Earth-Two)/Appearances, Ted Grant (New Earth)/Appearances, Diana of Paradise Island (Earth-Two)/Appearances, Terrence Sloane (New Earth)/Appearances, Claire Morton (Earth-Two)/Appearances, How Chu (Earth-Two)/Appearances, Horace Rowland (Earth-Two)/Appearances, Martin Baxter (Earth-Two)/Appearances, Earth-One/Appearances, Earth-Two/Appearances, Comics, 1967, 1967, August, June 14, 1967 (Publication), 1967, June (Publication), Justice League of America Vol 1, Silver-Age, Colourist Credit Needed, Letterer Credit Needed, Synopsis Written, Pre-Crisis Multiverse Crossover

Justice League of America Vol 1 55


Justice League of America Vol 1 55

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"The Super-Crisis That Struck Earth-Two!": On Earth-Two, four beings are given super-powers by mysterious black spheres, and thus Gem Girl, How Chu, Money Master, and the [[Martin Baxter (Earth-Two)|Smashing

Appearing in "The Super-Crisis That Struck Earth-Two!"

Featured Characters:

Supporting Characters:


Other Characters:

  • Random Black Sphere victims




Synopsis for "The Super-Crisis That Struck Earth-Two!"

On Earth-Two, four beings are given super-powers by mysterious black spheres, and thus Gem Girl, How Chu, Money Master, and the Smashing Sportsman are born and begin to terrorize various cities in the world. While at the headquarters of the Justice Society of America, the group is welcoming Robin into their ranks when they receive reports of the various criminals rampages.

While Robin and Wildcat fight the Smashing Sportsman, Mr. Terrific and Hawkman take on Money Master, Wonder Woman takes on Gem Girl, and Hourman against How Chu. Each one is easily defeated by their opponents and are forced to retreat back to JSA headquarters. There they find Johnny Thunder with his Thunderbolt. Johnny suggests that they call in their friends the Justice League from Earth-One to help them on their current case. When the Thunderbolt brings Superman, Flash, Green Arrow, and Green Lantern, where were just in a battle against similar beings on their own Earth.

The Thunderbolt explains to all that the spheres originates from a dark matter universe and in order to survive they needed to be absorbed into a human host. However, as a side effect they would be turn the human evil. The JSA and JLA decide to team up and learn how to solve this menace that is plaguing both their worlds.



  • First appearance of the Earth-Two Robin as an adult.

See Also

Recommended Reading

Links and References

JLA v.1 21
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Multiversal Crossover
The events from this issue or series involve a Multiversal Crossover between Pre-Crisis worlds and characters. This template will categorize articles that include it into the Pre-Crisis Multiverse Crossover category.

See also Post-Crisis Multiverse Crossovers.