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| Publisher |
Marvel |
| Series |
Captain America |
| Published | July 1982 |
| Writer |
David Anthony Kraft |
| Cover Artist |
Alan Kupperberg |
| Inker |
John Beatty |
| Colorist |
Christie Scheele |
| Letterer |
Rick Parker |
| Artist |
Alan Kupperberg |
"The Mystery of Mr. X."