| 0 | - | cover | 1 | pencils: Dan Adkins; inks: Dan Adkins; colors: Jason Millet | Dynamo |
| 1 | - | cover reprint (on interior page) | 1 | pencils: George Pérez; inks: George Pérez; colors: Paty Cockrum | T.H.U.N.D.E.R. Agents [Dynamo; NoMan; Menthor; Undersea Agent; Lightning; Raven]; the T.H.U.N.D.E.R. Squad [Weed; Kitten; Dynamite] |
| 2 | - | illustration | 1 | pencils: George Tuska; inks: George Tuska; colors: Ronda Pattison | |
| 3 | First Encounter! | comic story | 4 | script: Len Brown; pencils: Wally Wood; inks: Wally Wood | THUNDER Agents |
| 4 | D-Day for Dynamo | comic story | 13 | script: Len Brown; pencils: Wally Wood; inks: Wally Wood | Dynamo [Leonard Brown]; Dynavac; The Warlord; Iron Maiden; Alice Robbins |
| 5 | - | illustration | 1 | pencils: George Tuska; inks: George Tuska; colors: Ronda Pattison | Dynamo; Iron Maiden |
| 6 | Master of Evolution! | comic story | 12 | script: Len Brown; pencils: Dan Adkins, Wally Wood; inks: Wally Wood | Dynamo; Dr. Sparta (first appearance) |
| 7 | A Matter of Life and Death! | comic story | 10 | script: Dan Adkins; pencils: Steve Ditko; inks: Wally Wood | Menthor |
| 8 | Tribute to the Death of Menthor | comic story | 7 | script: George Caragonne; pencils: Garry Leach; inks: Garry Leach; colors: Jason Millet | |
| 9 | - | illustration | 1 | pencils: George Tuska; inks: George Tuska; colors: Ronda Pattison | Lightning |
| 10 | Lightning | comic story | 1 | pencils: Jerry Ordway; inks: Jerry Ordway; colors: Ronda Pattison | Lightning |
| 11 | The Return of the T.H.U.N.D.E.R. Agents | illustration | 1 | script: Steve Englehart; pencils: Dave Cockrum; inks: Dave Cockrum; colors: Paty Cockrum; letters: John Workman | NoMan |
| 12 | - | illustration | 1 | pencils: Dave Cockrum | NoMan |
| 13 | NoMan | illustration | 1 | pencils: Steve Ditko; inks: Greg Theakston; colors: Ronda Pattison | NoMan |
| 14 | - | illustration | 1 | pencils: Dave Cockrum | Dynamo; NoMan |
| 15 | Menthor | illustration | 1 | pencils: George Pérez; inks: George Pérez; colors: Ronda Pattison | Menthor [Connie] |
| 16 | Codename: The Raven | comic story | 1 | script: Dann Thomas; pencils: George Pérez, Dave Cockrum; inks: George Pérez, Dave Cockrum; colors: Paty Cockrum; letters: John Workman | Raven [Craig Lawson] |
| 17 | The Iron Maiden | comic story | 1 | script: Dave Cockrum, David Singer; pencils: Dave Cockrum; inks: Murphy Anderson; colors: Paty Cockrum; letters: John Workman | Iron Maiden [Rusty] |
| 18 | Iron Maiden | illustration | 1 | pencils: George Pérez; inks: George Pérez; colors: Ronda Pattison | Iron Maiden |
| 19 | - | illustration | 1 | pencils: Steve Ditko; inks: Will Blyberg | NoMan |
| 20 | - | cover reprint (on interior page) | 1 | pencils: Bob Layton; inks: Bob Layton; colors: Barry Grossman, John Wilcox | Dynamo |
| 21 | Iron Maiden | illustration | 1 | pencils: George Tuska; inks: George Tuska; colors: Ronda Pattison | Iron Maiden |
| 22 | - | illustration | 1 | pencils: Phil Hester; inks: Eric Gapstur; colors: David Baron | Iron Maiden; THUNDER Agents [Dynamo; Lightning; NoMan] |
| 24 | - | illustration | 1 | pencils: Dave Sim; inks: Dave Sim; colors: David Baron | Dynamo |