in Terrific! (IPC, 1967 series) #13 (8 July 1967) [Black and white, pages 1-9 only.], #14 (15 July 1967) [Black and white, pages 11-20, with additional recap pages.]
Letters from Dan Klinger, Alan McNaly, Steve Lucero, David Kaler, George R. R. Martin, Bobby Harris, Bernard Polachek, Steve Erickson, and Srden Vejvoda. Includes Special Announcements Section and the Mighty Marvel Checklist.