| Release: | May 02, 1989 |
| Cover: | Sep 1989 |
Blackheart!
| Release: | May 02, 1989 |
| Cover: | Sep 1989 |
Mephisto finds a place on Earth that is brimming with evil acts, and manages to congeal it into a being he considers a son. This being is sent on a hunt, with Mephisto raising it like a child after his own black heart.
| Writer | Ann Nocenti |
| Cover Penciller | John Romita Jr. |
| Cover Inker | Al Williamson |
| Penciller | John Romita Jr. |
| Inker | Al Williamson |
| Colorist | Christie Scheele |
| Letterer | Joe Rosen |
| Editor | Ralph Macchio |
| Spider-Man | Peter Parker |
| Daredevil | Matt Murdock |
| Mephisto | Mephistopheles |
| Blackheart |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Daredevil |
| Genre | Action | Adventure | Super-Heroes |
| No. of Pages | 32 |
| Country | USA |
| Language | English |