Cover inks credit from Nick Caputo via the GCD Error List (2 January 2008); the original indexer credited Frank Giacoia.
House ad for The Avengers #71(December 1969) and The Mighty Thor #171 (December 1969), featuring both covers. Both books shown as "Now On Sale".
Letters of comment from Andrew Warner; John Dougherty; Drew Zuckerwise; Wayne Fredrickson; Howard Leroy Davis; R.E. Plummer. Spot illustrated with four panels from previous issues.