In 1966 the collection AVENTURE COMICS published Superboy adventures in the second place of the magazine as reprinted stories until number 345. From number 346 ADVENTURE COMICS becomes an all Legionnaires magazine.
ADVENTURE COMICS NO.340 (January 1966) Cover by Curt Swan & George Klein.
"Computo the Conqueror" by Jerry Siegel / Curt Swan & George Klein.
"The Mystery of the Space Trophies" REPRINT SUPERBOY 55.
ADVENTURE COMICS NO.341 (February 1966) Cover by Curt Swan & Shelldom Moldoff.
"Colossal Boy's One-Man War":
"The Weird Legionnaire" Part I by Edmond Hamilton / Curt Swan & Shelldom Moldoff.
"The Strategy of Brainiac 5" Part II by Edmond Hamilton / Curt Swan & Shelldom Moldoff.
"Superboy's Moonlight Spell". REPRINT SUPERBOY 65.
ADVENTURE COMICS NO.342 (March 1966) Cover by Curt Swan & George Klein.
"The Legionnaire Who Killed" Part I by Edmond Hamilton / Curt Swan & Shelldom Moldoff (1-8) & Klein.
"The Veredict of the Legion" Part II by Edmond Hamilton / Curt Swan & George Klein.
"The Boy Who Betrayed Clark Kent" REPRINT SUPERBOY 86.
ADVENTURE COMICS NO.343 (April 1966) Cover by Curt Swan & George Klein.
"The Evil Hand of the Luck Lords" Part I by Edmond Hamilton / Curt Swan & George Klein.
"The Secret of the Luck Lords" Part II by Edmond Hamilton / Curt Swan & George Klein.
"Pete Ross's Super Secret" REPRINT SUPERBOY 90.
ADVENTURE COMICS NO.344 (May 1966) Cover by Curt Swan & George Klein.
"The Super-Stalag of Space" Part I by Edmond Hamilton / Curt Swan & George Klein
"The Testing of Brainiac 5" Part II by Edmond Hamilton / Curt Swan & George Klein.
"The Millionnaire Pupil" REPRINT SUPERBOY 81.
ADVENTURE COMICS NO.345 (June 1966) Cover by Curt Swan & George Klein.
"The Execution of Matter-Eater Lad" Part I by Edmond Hamilton / Curt Swan & George Klein.
"Duo Damsel's Double Play" Part II by Edmond Hamilton / Curt Swan & George Klein.
"Pa Kent's Dilema" REPRINT SUPERBOY 41.
ADVENTURE COMICS NO.346 (July 1966) Cover by Curt Swan & George Klein.
"One of Us Is a Tritor" Part I by Jim Shooter / Jim Shooter & Shelldom Moldoff.
"Invasion From the Edge of Space" Part II Jim Shooter / Jim Shooter & Shelldom Moldoff.
ADVENTURE COMICS NO.347 (August 1966) Cover by Curt Swan & George Klein.
"The Traitor's Triumph" Part I by Jim Shooter / Curt Swan & George Klein.
"The Legion and the Warlords" Part II by Jim Shooter / Curt Swan & George Klein.
ADVENTURE COMICS NO.348 (September 1966) Cover by Curt Swan & George Klein.
"Target - 21 Legionnaires: "And Then There Were None" (I) by Jim Shooter / Jim Shooter / George Papp.
"Target - 21 Legionnaires: "Birds in a Golden Age" (I) by Jim Shooter / Jim Shooter / George Papp.
ADVENTURE COMICS NO.349 (October 1966) Cover by Curt Swan & George Klein.
"The Rogue Legionnaire" Part I by Jim Shooter / Jim Shooter (Layouts), Swan & Klein.
"Ambushed Across the Ages" Part II by Jim Shooter / Jim Shooter (Layouts), Swan & Klein.
ADVENTURE COMICS NO.350 (November 1966) Cover by Curt Swan & George Klein.
"The Outlaws Super-Heroes" Part I E.Nelson Bridwell / Curt Swan & George Klein.
"The Devil's dozen" Part II by E.Nelson Bridwell / Curt Swan & George Klein.
ADVENTURE COMICS NO.351 (December 1966) Cover by Curt Swan & George Klein.
"The Forgotten Legion" Part I by E.Nelson Bridwell / Curt Swan & George Klein.
"The Faces Behind the Mask" Part II by E.Nelson Bridwell / Curt Swan & George Klein.
