#1

Reprinted in

• Magnum Comics #[1/1988]
• Zero Patrol #1— Modified, translated version of original story.
• Lanciostory #9— translated and partially colored
• Magnum #3/1989
• Delta 99 Agente Interplanetario #1
• Primo #19/1974
• Primo #20/1974
• Primo #21/1974
• Super #12
• Delta 99 #1
• Action Super Comic #1
• Seriemagasinet #84
• Garra de Acero #1
• Delta 99 #[nn]

Credits

Script

Jesús Flores Thies, Esteban Maroto

Pencils

Carlos Giménez

Inks

Carlos Giménez

Colours

Carlos Giménez

Asistente

Suso, Adolfo Usero, Luis García, Ramón Torrents

Dibujante principal

Esteban Maroto

Modificaciones

Josep Toutain