| Issue | #12 |
| Published | November 1973 |
| Cover Price | 0.20 USD |
| Pages | 36 |
| Editing | Roy Thomas |
| Notes | Letters page letter from Ralph Macchio |
| Genre | Occult; superhero |
| Pencils | Frank Brunner (signed) |
| Inks | Frank Brunner (signed) |
| Letters | Gaspar Saladino |
| Notes | Letters page letter from Ralph Macchio |
| Synopsis | Strange chooses Clea to be his disciple. He goes to make peace with Baron Mordo, and is entranced by Gypsy Queen, from whom Mordo stole the Book of Cagliostro. Strange follow Mordo into past. |
| Script | Steve Englehart (co-plot, script pages 1-17); Mike Friedrich (script pages 18-32); Frank Brunner (co-plot) |
| Pencils | Frank Brunner |
| Inks | Crusty Bunkers |
| Colors | Frank Brunner |
| Letters | John Costanza |
| Notes | Writing credit source: Doctor Strange #1 letters page |