| Issue | #66 |
| Published | November 1987 |
| Cover Price | 1.00 USD; 1.35 CAD; 0.50 |
| Pages | 36 |
| Editing | Karen Berger |
| Notes | New Format. Suggested for Mature Readers. |
| Characters | Floronic Man [Dr. Jason Woodrue]; Swamp Thing [Alec Holland] |
| Genre | horror |
| Pencils | Rick Veitch |
| Inks | Tom Yeates |
| Notes | New Format. Suggested for Mature Readers. |
| Synopsis | Checklist of all the Millennium Crossover books, weeks one thru eight. |
| Letters | Typeset |
| Notes | Left most column of the inside cover. |
| Synopsis | Dick Giordano talks about the Millennium crossover and associated books. |
| Script | Dick Giordano |
| Letters | Typeset |
| Characters | John Constantine; Floronic Man [Jason Woodrue]; Swamp Thing; Alec Holland; Batman [Bruce Wayne]; Abigail Arcane; Vincent (guard at Arkham Asylum); Joker (cameo); Clayface (cameo); Two-Face [Harvey Dent] (cameo); Linda Holland; Dr. "Piggy" Huntoon (introduction); Wicker; Cutley; Killer Croc [Waylon Jones]; Alfred Pennyworth; Sprout; demon |
| Synopsis | John Constantine visits the Floronic Man in Arkham Asylum. Swamp Thing frees Abby's soul from her body so she can experience Heaven, where she meets the real Alec Holland. |
| Genre | horror |
| Script | Rick Veitch |
| Pencils | Rick Veitch |
| Inks | Alfredo Alcala |
| Colors | Tatjana Wood |
| Letters | John Costanza |
| Script | Karen Berger |
| Letters | Typeset |