Direct Edition for this issue was actually printed with a bardcode that was slashed out from the printer/publisher. Direct Edition is also distinguishable by the diamond price box on the upper left of the cover.
This issue is a variant of The Avengers (Marvel, 1963 series) #187 [Direct].
There exist further variants:
the Avengers [Captain America [Steve Rogers]; "Dark" Scarlet Witch; the Falcon; Ms. Marvel [Carol Danvers]; Quicksilver; the Wasp [Janet Pym]; Wonder Man]
Aelfric the Mad Monk (flashback); Agatha Harkness (flashback); the Avengers [the Beast [Hank McCoy]; Captain America [Steve Rogers]; the Falcon [Sam Wilson]; Ms. Marvel [Carol Danvers]; Quicksilver [Pietro Maximoff](origin); the Scarlet Witch [Wanda Maximoff](origin, more details); the Wasp [Janet van Dyne]; Wonder Man [Simon Williams]]; Bova Ayrshire; Cagliostro (flashback); Chthon (under appearance of the Scarlet Witch, and of The Other, flashback); Django Maximoff (death); Gaea (flashback); Gregor Russoff (flashback); the High Evolutionary [Herbert Wyndham] (flashback); Janet Lyton (flashback); Janice (flashback); Jessica Drew (flashback, as an infant); Jonathan Drew (flashback); Knights of Wundagore (flashback); Magda Eisenhardt (flashback); Magnus (flashback, and also under appearance of Jonathan Drew); Meriem Drew (flashback); Modred the Mystic; Morgan Le Fey (flashback); Taboo (flashback); Grant Whittaker (flashback).