| Issue | #1 |
| Published | February-March 1973 |
| Frequency | bi-monthly |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | E. Nelson Bridwell |
| Characters | Superman; The Flash [Barry Allen]; Batman; Jor-El (inset); Lara (inset); Thomas Wayne (inset); Martha Wayne (inset); Hawkman [Carter Hall] (inset); Hawkgirl [Shiera Sanders] (inset); The Gentleman Ghost [aka The Ghost] (inset) |
| Genre | Superhero |
| Pencils | Nick Cardy |
| Inks | Nick Cardy |
| Characters | Superman [Clark Kent] (intro, origin) |
| Genre | superhero |
| Script | Jerry Siegel |
| Pencils | Joe Shuster |
| Inks | Joe Shuster |
| Letters | Joe Shuster |
| Reprinted | from Action Comics (DC, 1938 series) #1 |
| Characters | Batman [Bruce Wayne] (origin); Thomas Wayne (death, flashback); Martha Wayne (death, flashback) |
| Genre | superhero |
| Script | Bill Finger |
| Pencils | Bob Kane |
| Inks | Bob Kane |
| Notes | Writer is Bill Finger, according to Indexer Notes for Detective Comics (DC, 1937 series) #33; previously credited to Gardner Fox. Reprint is untitled. |
| Reprinted | from Detective Comics (DC, 1937 series) #33 |
| Characters | Hawkman [Carter Hall]; Hawkgirl [Shiera Sanders]; The Gentleman Ghost (intro, villain) |
| Genre | superhero |
| Script | Bob Kanigher |
| Pencils | Joe Kubert |
| Inks | Joe Kubert |
| Reprinted | from Flash Comics (DC, 1940 series) #88 |
| Genre | superhero |
| Script | E. Nelson Bridwell |
| Letters | typeset |
| Notes | Discussion of the various origin stories. |
| Characters | The Flash [Barry Allen] (intro, origin); The Flash [Jay Garrick] (on a comic book cover); Iris West (intro); The Turtle Man (villain) |
| Genre | superhero |
| Script | Bob Kanigher |
| Pencils | Carmine Infantino |
| Inks | Joe Kubert |
| Reprinted | from Showcase (DC, 1956 series) #4 (September-October 1956) |