Ryker's Island #4
| Series | Deathlok |
| Number | Vol. 1 #4 |
| Publisher | Marvel Comics |
| Date | 1990-10 |
| Type | Graphic Novel, Softcover |
| Language | English |
| Colorist | Gregory Wright, Brad Vancata |
| Cover Artist | Denys Cowan |
| Inker | Kyle Baker, Mike DeCarlo |
| Penciler | Denys Cowan |
| Writer | Dwayne McDuffie, Gregory Wright |
| Genre | Science Fiction |
| Published in | USA |
| Pages | 46 |
| ISBN | 0-87135-679-1 |