Showcase (1956)
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Key Facts
1st team appearance and origin of the Challengers of the Unknown: Ace Morgan, Red Ryan, Prof Haley and Rocky Davis
Created by Jack Kirby, this team is said to be a precursor to the development of the Fantastic Four
Key Facts
1st team appearance and origin of the Challengers of the Unknown: Ace Morgan, Red Ryan, Prof Haley and Rocky Davis
Created by Jack Kirby, this team is said to be a precursor to the development of the Fantastic Four
Key Facts
2nd team appearance of the Challengers of the Unknown
1st appearance of June Robbins, joined The Challengers
1st appearance of Ultivac, a sentient robot
Key Facts
2nd team appearance of the Challengers of the Unknown
1st appearance of June Robbins, joined The Challengers
1st appearance of Ultivac, a sentient robot
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