This sequence reprints a story from Marvel Treasury Edition #12, which was a combination of new material and parts of stories from Fear #19 and Man-Thing #1.
From pg. 18: "Special thanks to Judo Jim Starlin for his assistance in laying out this most challenging script!"
Detail from the splash page of the Howard the Duck story from Giant-Size Man-Thing #5. A filler page inserted between the reprints of Howard the Duck #15 and 16 to accomodate the two-page spreads in Howard the Duck #16.
Page 1 of this story reprints page 17 of the previous story.