| Issue | #15 |
| Published | October 1965 |
| Frequency | Monthly |
| Cover Price | 0.25 USD |
| Pages | 84 |
| Editing | Jack Schiff |
| Characters | Superman; Batman; Robin the Boy Wonder; The Joker; Lex Luthor |
| Genre | superhero |
| Pencils | Curt Swan; Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #95 (July-August 1958); from World's Finest Comics (DC, 1941 series) #97 (October 1958); from World's Finest Comics (DC, 1941 series) #88 (May-June 1957) |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lois Lane |
| Synopsis | A shape changing monster causes havoc in Metropolis and Gotham City, Batman and Superman realise the truth when the space beast begins to idolise them. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Curt Swan |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #74 (January-February 1955) |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Professor Carter Nichols; D'Artagnan; Athos; Porthos; Aramis; Man in the Iron Mask [Count Ferney]; King Louis X1V |
| Synopsis | The Titanic Trio go back in time to seventeenth century France and stand in for the injured Three Musketeers. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #82 (May-June 1956) |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lois Lane; Perry White; Lex Luthor; The Joker |
| Synopsis | Luthor and The Joker go into business manufacturing their near-indestructable Mechano-Men. It doesn't take long for them to display their true intentions. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #88 (May-June 1957) |
| Genre | superhero |
| Letters | typeset |
| Notes | describes novelties and Superman TV stations |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lois Lane; Commissioner Gordon; Scott Forest; Billy Forest; The Condor [John Titus]; Professor Milo |
| Synopsis | When the Caped Crimefighter is framed, Superman is called in to track down his partner. |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Notes | This was the third time in just over a year that Bill Finger had named a character "Professor Milo". See also - Detective Comics (DC, 1937 series) #247 (September 1957); Batman (DC, 1940 series) #112 (September 1957) |
| Reprinted | from World's Finest Comics (DC, 1941 series) #97 (October 1958) |
| Characters | Superman [Clark Kent]; Batman [Bruce Wayne]; Robin [Dick Grayson]; Lois Lane; Perry White; Ka Thar |
| Synopsis | Ka Thar, a historian from the far future arrives in 1956. He then blackmails Superman and Batman into changing their crime busting methods to match his own version of events. |
| Genre | superhero |
| Script | Edmond Hamilton |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #81 (March-April 1956) |
| Characters | Superman; Batman; Robin |
| Synopsis | Mischievous aliens kidnap Superman and Batman. They then give the Cowled Crimefighter super-powers, and subject both of them to a hate ray in order to watch the resulting battle. |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Dick Sprang |
| Inks | Stan Kaye |
| Reprinted | from World's Finest Comics (DC, 1941 series) #95 (July-August 1958) |