| Issue | #4 |
| Published | April 1976 |
| Cover Price | 0.25 USD |
| Pages | 36 |
| Editing | Marv Wolfman |
| Characters | Iron Fist; Radion [The Ravager] |
| Genre | superhero; martial arts |
| Pencils | Gil Kane |
| Inks | Frank Giacoia |
| Letters | Dan Crespi |
| Notes | Giacoia cover credit provided 2006 by Nick Caputo. |
| Characters | Iron Fist; GUESTS: Misty Knight; Dr. Monahan; VILLAIN: Radion [Henri Sorel; The Ravager] (Origin in flashback; Death); Davos [Steel Serpent]; Joy Meachum; Ward Meachum; CAMEOS: Yu-Ti; Heather Rand; CAMEO FLASHBACK: Puppet Master; The Thing; Thor |
| Synopsis | Iron Fist battles Radion and is able to defeat him by using research he created back before he was transformed into a radioactive monster by agents of Ward Meachum. |
| Genre | superhero; martial arts |
| Script | Chris Claremont |
| Pencils | John Byrne |
| Inks | Frank Chiaramonte |
| Colors | Janice Cohen |
| Letters | John Costanza |