Future Tense: Part 1 of 3. "Making History!" Guest-starring the Legion of Super-Heroes. The intergalactic police force from the future, the Legion of Super-Heroes, have traveled back in time to find their friend Valor, and only Superboy can help them. Story continues in Legion of Super-Heroes #74.
The price of "Superboy #21 [Direct Sales]-Fine (5.5 – 7)" at Heroes for Sale is NZD $5.95.
"Superboy #21 [Direct Sales]-Fine (5.5 – 7)" is associated with the Superboy brand.
The publisher of "Superboy #21 [Direct Sales]-Fine (5.5 – 7)" is DC Entertainment.
The genre of "Superboy #21 [Direct Sales]-Fine (5.5 – 7)" is Superheroes.
"Superboy #21 [Direct Sales]-Fine (5.5 – 7)" falls under the category of Back Issues.
The artists of "Superboy #21 [Direct Sales]-Fine (5.5 – 7)" are Tom Grummett, and Doug Hazelwood.
The writer of "Superboy #21 [Direct Sales]-Fine (5.5 – 7)" is Karl Kesel.
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