| Release: | Dec 04, 1991 |
| Cover: | Feb 1992 |
Shot In The Dark / Snake-Off
| Release: | Dec 04, 1991 |
| Cover: | Feb 1992 |
Heart of the Viper - Part 4 of 4
The Red Skull, Cutthroat and the Viper imperil Capt. America, and Diamondback faces Crossbones in this dramatic conclusion.
| Writer | Mark Gruenwald |
| Cover Penciller | Rik Levins |
| Cover Inker | Danny Bulanadi |
| Penciller | Larry Alexander, Rik Levins |
| Inker | Danny Bulanadi, Dan Panosian |
| Colorist | Marie Javins, Christie Scheele |
| Letterer | Steve Dutro |
| Editor | Ralph Macchio |
| Editor in Chief | Tom DeFalco |
| Captain America | Steve Rogers |
| Edwin Jarvis | |
| Red Skull | Johann Schmidt |
| Sersi | Sersi |
| John Jameson | |
| Crossbones | Brock Rumlow |
| Diamondback | Rachel Leighton |
| Thor | Eric Masterson |
| Viper | Ophelia 'Viper' Sarkissian |
| Black Mamba | Tanya Sealy |
| Asp | Cleo Nefertiti |
| Cutthroat | Daniel Leighton |
| Jack O'Lantern | Steven Mark Levins |
| Mother Night | Susan Scarbo |
| Blackwing | Joseph Manfredi |
| Impala |
| Age | Modern Age |
|---|---|
| Format | Comic |
| Series Group | Captain America |
| No. of Pages | 32 |
| Country | USA |