"Ronin" misspelled "Ronan" on the cover.
Letters credit confirmed from Danny Crespi Files, posted via the Comics History Exchange page on Facebook by Todd Klein (1 April 2017).
Comic strip ad for Hostess Fruit Pies from ITT Continental Baking Company.
Letters on The Avengers #194. Letters from Elizabeth Holden, Russell Fry, Richard Zaric, Mark Phelps