Amazing Adult Fantasy #13; Amazing Spider-Man Special [Annual] #5; Avengers #88; Captain America #109; Fantastic Four #66 & #67; Incredible Hulk #140; Sgt. Fury #13; Sub-Mariner #8; Thor Special [Annual] #2; Tomb of Dracula #25; X-Men #28, #62 #63; and Young Men #25.
Three issues are reprinted from reprints: Fantastic Four #66 is reprinted from Marvel's Greatest Comics #49; Sgt. Fury #13 is reprinted from Special Marvel Edition #11; and X-Men #28 is reprinted from X-Men #76.
This set of 15 comics was available through the 1994 JC Penney Christmas Catalog, for $14.99 plus shipping. The front covers of these comics look exactly like the originals, but inside, contain advertisements from 1994, except for Young Men #25, which has all the original inside ads. All of these reprints have the same back cover Stridex ad. "Second Printing" appears at the end of the indicia.
Publication information from Roger Perez, STL COMICS web site, http://stlcomics.com/gallery/jcpenney_stridex/