| 0 | Industrial Horror | cover | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei]; the Pale Pilgrim |
| 1 | - | credits, title page | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | |
| 2 | - | credits, title page | 2 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | the Pale Pilgrim; Trinity; Swamp Thing [Levi Kamei]; Jennifer Reece |
| 3 | - | credits, title page | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | |
| 4 | The Swamp Thing #11 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing (skull only); Tefé Holland |
| 5 | The Swamp Thing #11 Variant Cover by Francesco Francavilla | cover reprint (on interior page) | 1 | pencils: Francesco Francavilla; inks: Francesco Francavilla; colors: Francesco Francavilla | Swamp Thing |
| 6 | Jericho's Rose Part 1 | comic story | 22 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Jennifer Reece; Tefé Holland; Harper Pilgrim; Jason Woodrue [Floronic Man]; Jack Hawksmoor; unidentified Green Lantern |
| 7 | The Swamp Thing #12 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei]; the Pale Pilgrim |
| 8 | The Swamp Thing #12 Variant Cover by Liam Sharp | cover reprint (on interior page) | 1 | pencils: Liam Sharp; inks: Liam Sharp; colors: Liam Sharp | Swamp Thing |
| 9 | Jericho's Rose Part 2 | comic story | 22 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Jennifer Reece; Tefé Holland; the Pale Pilgrim; Jason Woodrue [Floronic Man]; Jack Hawksmoor; Swamp Thing [Alec Holland] (flashback); Abigail Arcane (flashback); John Constantine (flashback); Jacob Kamei (flashback); Trinity |
| 10 | The Swamp Thing #13 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei] |
| 11 | The Swamp Thing #13 Variant Cover by E. M. Gist | cover reprint (on interior page) | 1 | pencils: E. M. Gist; inks: E. M. Gist; colors: E. M. Gist | Swamp Thing |
| 12 | Machination | comic story | 24 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Jennifer Reece; Tefé Holland (flashback); Jack Hawksmoor; Trinity; Rodrigo; the Pale Pilgrim; Hedera [Jacob Kamei]; Parliament of Trees; Green Lantern [Hal Jordan] |
| 13 | The Swamp Thing #14 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei] |
| 14 | The Swamp Thing #14 Variant Cover by Steve Beach & Dave Stewart | cover reprint (on interior page) | 1 | pencils: Steve Beach; inks: Steve Beach; colors: Dave Stewart | Swamp Thing [Levi Kamei] |
| 15 | The Alien Idea | comic story | 22 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Green Lantern [Hal Jordan]; Green Lantern [Medphyll]; Z'etar; the Pale Pilgrim; Jason Woodrue [Floronic Man]; Hedera [Jacob Kamei]; Mr. Kamei (Levi and Jacob's father, flashback); Trinity; Parliament of Gears |
| 16 | The Swamp Thing #15 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Trinity; Swamp Thing [Levi Kamei]; Hedera [Jacob Kamei]; Green Lantern [Hal Jordan]; the Pale Pilgrim; Jason Woodrue [Floronic Man] |
| 17 | The Swamp Thing #15 Variant Cover by Charlie Adlard | cover reprint (on interior page) | 1 | pencils: Charlie Adlard; inks: Charlie Adlard; colors: Charlie Adlard | Swamp Thing |
| 18 | Armageddon Part 1 | comic story | 20 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Trinity; Parliament of Gears; Hedera [Jacob Kamei]; the Pale Pilgrim |
| 19 | The Swamp Thing #16 | cover reprint (on interior page) | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei] |
| 20 | The Swamp Thing #16 Variant Cover by Brian Bolland | cover reprint (on interior page) | 1 | pencils: Brian Bolland; inks: Brian Bolland; colors: Brian Bolland | Swamp Thing |
| 21 | Armageddon Part 2 | comic story | 22 | script: Ram V; pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer; letters: Aditya Bidikar | Swamp Thing [Levi Kamei]; Trinity; Parliament of Gears; the Pale Pilgrim; Jennifer Reece; Jason Woodrue [Floronic Man]; Rodrigo (flashback); Mr. Kamei (Levi and Jacob's father, flashback); Tefé Holland (flashback); Alec Holland (flashback); John Constantine; Green Lantern [Hal Jordan] |
| 22 | The Swamp Thing: The Parliament of Gears | credits, title page | 1 | | |
| 23 | The Swamp Thing #13 AAPI Heritage Cover by Anand RK | cover reprint (on interior page) | 1 | pencils: Anand RK; inks: Anand RK; colors: Anand RK | Swamp Thing |
| 24 | The Swamp Thing #11 1:25 Ratio Variant Cover by Kyle Hotz & Dan Brown | cover reprint (on interior page) | 0.5 | pencils: Kyle Hotz; inks: Kyle Hotz; colors: Dan Brown | Swamp Thing |
| 25 | The Swamp Thing #16 1:25 Ratio Variant Cover by John McCrea & Mike Spicer | cover reprint (on interior page) | 0.5 | pencils: John McCrea; inks: John McCrea; colors: Mike Spicer | Swamp Thing [Levi Kamei]; John Constantine; Peacemaker [Christopher Smith] |
| 26 | - | illustration | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | |
| 27 | Caught in the Ever-Turning Gears of the Great Machine! | illustration | 1 | pencils: Mike Perkins; inks: Mike Perkins; colors: Mike Spicer | Swamp Thing [Levi Kamei]; the Pale Pilgrim; Trinity |