The super-sons meet Danny Orr when he takes someone else's car for a joyride after he finds out his father is really his adopted father. When his newly-discovered father, Mark King, sends him to his Central American emerald mine, Danny, Superman, Jr.
The price of "World's Finest Comics #221" at Harleys Hobby Shop is USD $4.00.
The publisher of "World's Finest Comics #221" is DC Entertainment.
The genre of "World's Finest Comics #221" is Superheroes.
"World's Finest Comics #221" falls under the category of Back Issues.
The artists of "World's Finest Comics #221" are Dick Dillin, and Nick Cardy.
The writers of "World's Finest Comics #221" are Bob Haney, and Murray Boltinoff.