Adventure Comics #371 1968 Comic Book

Cover art by Neal Adams. The Colossal Failure!--Tales of the Legion of Super-Heroes, script by Jim Shooter, pencils by Jim Shooter (layouts only) and Curt Swan, inks by Jack Abel; Colossal Boy's parents are kidnapped, forcing him to betray the Legion. When Superboy Walked Out on the Legion. 

• Character = Superboy
• Publisher = DC Comics
• Genre = Superhero
• Comic Age = Silver Age
• Year Published = 1968