This issue is a variant of The Avengers (Marvel, 1963 series) #189 [Newsstand Edition].
Direct Edition of this issue was actually printed with a barcode that was marked with a black slash from the printer/publisher. Direct Edition also distinguishable by the black diamond box around the pricing on the upper left corner of the cover.
Takes place after Avengers Annual #9.
Comic strip ad for Hostess Twinkies from ITT Continental Baking Company. Mike Esposito credit from auction of original art at Heritage Auction Galleries in January 2002.
Letters on The Avengers #183 & 184.