| 1 | 3-D Adventure Comics | 1st Appearance of Statman |
| 26 | 52 | 1st appearance of Sobek; Origin of Hawkgirl (Kendra Saunders); Origin of Hawkman (Carter Hall) |
| 26/NS | 52 | 1st appearance of Sobek; Origin of Hawkgirl (Kendra Saunders); Origin of Hawkman (Carter Hall) |
| 32 | 52 | 1st Appearance of Riddler’s Daughter; 1st Appearance of Son of Frankenstein; 1st Appearance of Talon; Origin of Blue Beetle (Jaime Reyes) |
| 32/NS | 52 | 1st Appearance of Riddler’s Daughter; 1st Appearance of Son of Frankenstein; 1st Appearance of Talon; Origin of Blue Beetle (Jaime Reyes) |
| 25 | 100 Bullets | 1st Appearance of Javier Vasco; 1st Appearance of Helena Kotias; 1st Appearance of Anwar Madrid; 1st Appearance of Fulvio Carlito; 1st Appearance of Axel Nagel; 1st Appearance of Sigmar Rhone; 1st Appearance of Joan D’Arcy |
| 9 | 2099 Unlimited | 1st Appearance of Steel Rain |
| 9/NS | 2099 Unlimited | 1st Appearance of Steel Rain |
| 10 | 2099 Unlimited | 1st Appearance of Steel Rain |
| 10/NS | 2099 Unlimited | 1st Appearance of Steel Rain |
| 1 | 2112 (John Byrne’s…) | 1st Appearance of Sathanus; Prestige format |
| 1-2 | 2112 (John Byrne’s…) | 1st appearance of Sathanus |
| 1-3 | 2112 (John Byrne’s…) | 1st appearance of Sathanus |
| 2 | Ace of Diamonds | 1st appearance of Silver Spyder; B&W |
| 1 | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman |
| 1-6 | Action Comics | 1st Appearance of Superman; Origin of Superman; Includes stamp; U.S. Postal Service |
| 1-10 | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman; Certificate of authenticity included |
| 1/A | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman; ca. 2018 |
| 1/B | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman; ca. 2018 |
| 1/C | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman; ca. 2018 |
| 1/D | Action Comics | 1st appearance Congo Bill; 1st Appearance of Lois Lane; 1st Appearance of Superman; 1st Appearance of Tex Thompson; 1st Appearance of Zatara; Origin of Superman |
| 45 | Action Comics | 1st appearance of Stuff (Jimmy Leong) |
| 141 | Action Comics | 1st Appearance of synthetic kryptonite (created by Lex Luthor); Versus Lex Luthor; Congo Bill story; Tommy Tomorrow story; Vigilante story; Zatara story |
| 252 | Action Comics | 1st appearance of Supergirl; Origin of Supergirl |
| 252/A | Action Comics | 1st appearance of Supergirl; Origin of Supergirl |
| 252/B | Action Comics | 1st appearance of Supergirl; Origin of Supergirl |
| 252/C | Action Comics | 1st appearance of Supergirl; Origin of Supergirl |
| 261 | Action Comics | 1st Appearance of Streaky the Supercat; 1st appearance of X-Kryptonite; Origin of Streaky the Supercat |
| 276 | Action Comics | 1st appearance of Bouncing Boy; 1st appearance of Brainiac 5; 1st appearance of Phantom Girl; 1st appearance of Shrinking Violet; 1st appearance of Sun Boy; 1st appearance of Triplicate Girl; 1st apperance of Apparition; 1st sppearance of Shrinking Violet; Supergirl joins Legion of Super-Heroes; Triplicate Girl, Phantom Girl, Brainiac 5, Shrinking Violet, Bouncing Boy joins Legion of Super-Heroes |
| 290 | Action Comics | 1st appearance of Supergirl Emergency Squad |
| 338 | Action Comics | 1st appearance of Superman of 2966 |
| 481 | Action Comics | 1st Appearance of Supermobile; Versus Amazo |
| 481/A | Action Comics | 1st Appearance of Supermobile; Versus Amazo |
| 495 | Action Comics | 1st Appearance of Silver Banshee |
| 527 | Action Comics | 1st appearance of Lord Satanis (Collin Thorton); 1st appearance of Syrene |
| 527/NS | Action Comics | 1st appearance of Lord Satanis (Collin Thorton); 1st appearance of Syrene |
| 592 | Action Comics | 1st Appearance of Sleez; Origin of Sleez; Versus Sleez; Continued in Action Comics #593 (Oct 1987); Continued in Superman #9 |
| 592/NS | Action Comics | 1st Appearance of Sleez; Origin of Sleez; Versus Sleez; Continued in Action Comics #593 (Oct 1987); Continued in Superman #9 |
| 595 | Action Comics | 1st Appearance of Silver Banshee (Siobhan McDougal); Versus Silver Banshee |
| 595/NS | Action Comics | 1st Appearance of Silver Banshee (Siobhan McDougal); Versus Silver Banshee |
| 787 | Action Comics | 1st appearance of Byakko; 1st appearance of Gunshin; 1st appearance of Sakki |
| 787/NS | Action Comics | 1st appearance of Byakko; 1st appearance of Gunshin; 1st appearance of Sakki |
| 9 | Action Comics (2nd Series) | 1st appearance of Superman (Calvin Ellis); 1st appearance of Wonder Woman (Nubia) |
| 9/A | Action Comics (2nd Series) | 1st appearance of Superman (Calvin Ellis); 1st appearance of Wonder Woman (Nubia) |
| 9/B | Action Comics (2nd Series) | 1st appearance of Superman (Calvin Ellis); 1st appearance of Wonder Woman (Nubia) |
| 9/C | Action Comics (2nd Series) | 1st appearance of Superman (Calvin Ellis); 1st appearance of Wonder Woman (Nubia) |
| 9/NS | Action Comics (2nd Series) | 1st appearance of Superman (Calvin Ellis); 1st appearance of Wonder Woman (Nubia) |
| 1 | Adam Strange Archives, The | Reprints Mystery In Space #53-65; Reprints Showcase #17-19; 1st appearance of Adam Strange; 1st appearance of Alanna; 1st appearance of Sardath; Foreword by Jim Amash; 224 pages; ca. 2004 |
| 1-2 | Adam Strange Archives, The | Reprints Mystery In Space #53-65 and Showcase #17-19; 1st Appearance of Adam Strange; 1st Appearance of Alanna; 1st Appearance of Sardath; Foreword by Jim Amash; ca. 2004 |
| 40 | Adventure Comics | 1st Appearance of Sandman (Wesley Dodds) |
| 61 | Adventure Comics | 1st Appearance of Starman I (Ted Knight); Origin of Starman (Ted Knight) |
| 66 | Adventure Comics | 1st Appearance of Shining Knight; Origin of Shining Knight |
| 247 | Adventure Comics | 1st Appearance of Cosmic Boy; 1st Appearance of Cosmic Boy (Rokk Krinn); 1st appearance of Legion of Super-Heroes; 1st Appearance of Legion of Super-Heroes; 1st appearance of Lightning Lad; 1st Appearance of Lightning Lad (Garth Ranzz); 1st appearance of Saturn Girl; 1st Appearance of Saturn Girl (Imra Ardeen); Origin of Cosmic Boy (Rokk Krinn); Origin of Legion of Super-Heroes; Origin of Lightning Lad (Garth Ranzz); Origin of Saturn Girl (Imra Ardeen); Superboy joins team |
| 282 | Adventure Comics | 1st Appearance of Starboy; Origin of Starboy |
| 306 | Adventure Comics | 1st Appearance of Chloropyll Kid; 1st Appearance of Fire-lad; 1st Appearance of Night Girl; 1st Appearance of Polar Boy; 1st Appearance of Stone Boy |
| 323 | Adventure Comics | 1st appearance of Double Header; 1st Appearance of Double Header (LSH applicant); 1st appearance of Spider Girl; 1st Appearance of Spider Girl (LSH applicant); Legion; Phantom Girl demonstrates she can enter and leave the Phantom Zone at will; Reprint from Superboy (1st Series) #75 (Sep 1959); Saturn Girl re-elected Legion leader; Tales of the Legion of Super-Heroes; Time travel |
| 331 | Adventure Comics | Reprints from Superboy (1st Series) #43 (Sep 1955), Star Spangled War Stories #132 (Sep 1952), and Big Town #1 (Jan 1951); 1st Appearance of Saturn Queen; Origin of Cosmic King; Origin of Lightning Lord (Mekt Ranzz); Origin of Saturn Queen; Versus the Legion of Super-Villains; Legion; Tales of the Legion of Super-Heroes; Time travel |
| 344 | Adventure Comics | 1st Appearance of Blockade Boy; 1st Appearance of Plant Lad; 1st Appearance of Shadow Kid; 1st Appearance of Shadow Kid (Grev Malor); 1st Appearance of Weight Wizard; Death of Plant Lad; Legion; Reprint from Superboy (1st Series) #81 (Jun 1960); Story continued in Adventure Comics #345 (Jun 1966); Tales of the Legion of Super-Heroes; Time travel |
| 365 | Adventure Comics | 1st Appearance of Shadow Lass |
| 374 | Adventure Comics | 1st Appearance of Black Mace; 1st Appearance of Mystelor; 1st Appearance of Quanto; 1st Appearance of Rogarth; 1st Appearance of Shagrek; Versus Black Mace; Versus Mystelor; Versus Quanto; Versus Rogarth; Versus Shagrek; Legion |
| 402 | Adventure Comics | 1st Appearance of Starfire (crimelord); Versus Starfire (crimelord); 1971 Superman calendar pin-up |
| 469 | Adventure Comics | 1st Appearance of Starman (Prince Gavyn); Origin of Starman (Prince Gavyn) |
| 1 | Adventurers, The (Book 1) | 1st Appearance of Argent (sorcerer); 1st appearance of Bladehelm; 1st appearance of Coron; 1st appearance of Dhakab; 1st appearance of Nightwind; 1st appearance of Shadolok; 1st appearance of Sultar; 1st appearance of Tirian; Death of Tirian |
| 1-2 | Adventurers, The (Book 1) | Reprints Adventurers (Aircel) #1; 1st appearance of Argent (sorcerer); 1st appearance Bladehelm; 1st appearance Coron; 1st appearance Dhakab; 1st appearance of Shadolok; 1st appearance Sultar; 1st appearance Nightwind; 1st appearance Tirian; Published by Adventure; Death Tirian |
| 95 | Adventures of Bob Hope, The | 1st Appearance of Super-Hip and monster faculty |
| Bk 1 | Adventures of Scooter McDoogal, The | 1st appearance of Scooter McDoogal; Origin of Scooter McDoogal |
| 501 | Adventures of Superman | [s]1993-15; 1st appearance of Superboy (Conner Kent); 1st appearance of Superboy (Kon-El); Includes poster; Reign of the Supermen |
| 501/NS | Adventures of Superman | [s]1993-15; 1st appearance of Superboy (Conner Kent); 1st appearance of Superboy (Kon-El); Includes poster; Reign of the Supermen |
| 501/SC | Adventures of Superman | [s]1993-15; 1st Appearance of Superboy (clone); 1st appearance of Superboy (clone)—full appearance; 1st appearance of Superboy (Conner Kent); 1st appearance of Superboy (Kon-el); 1st appearance of Superboy (Kon-el) 1st appearance of Superboy (Conner Kent); Includes poster; Reign of the Supermen; Reign of the Supermen tie-in |
| Anl 5 | Adventures of Superman | 1st Appearance of Sparx; Bloodlines |
| 31 | Adventures of the Fly | Series continues as Fly Man #32; 1st appearance of Shield (Bill Higgins) |
| 1 | Adventures of Young Dr. Masters, The | 1st Appearance of Young Dr. Masters; 1st Appearance of Dr. David Masters; 1st Appearance of Dr. Walter Masters; 1st Appearance of Brenda Moore; 1st Appearance of Sally Redmond |
| 1 | A-Force | 1st appearance of A-Force; 1st appearance of Singularity; 1st appearance of the Sub-Mariners; Secret Wars tie-in |
| 1/C | A-Force | 1st Appearance of Singularity |
| 2 | Age of X-Man: Apocalypse & the X-Tracts | 1st Appearance of Siberian; Death of Siberian |