But wait! Inside #75 it's a different story. Not only does Wanda sport a slightly modified costume--it's now strapless and she has shorter gloves and simpler boots--but her hair is back to brown. By this time Marvel's color palette/technology had changed and her brown hair seemed a bit lighter, more redder, and less heavily inked than it had during her X-Men days. Quicksilver also received a makeover; his costume was now primarily light blue (silvery?) instead of green.
|Avengers #75 (1970) Scarlet Witch, Quicksilver and Toad|
The answer at last! Marvel--presumably Roy Thomas, then the Avengers writer--responded by stating first, that inkers aren't the ones who color comics, but that in any event inker Tom Palmer also happened to be the colorist for the Avengers at the time; and second, that both Tom and "Rascally Roy discovered that, in the early issues of The X-Men...wistful Wanda's hair was indeed auburn...Thus, since Tom and Roy both prefer auburn to the gray and blue highlights applied since then, they decided to change her back to her original shade." And there you have it: it was none other than Roy Thomas--with input from Avengers inker/colorist Palmer--who determined that Wanda return to her roots.
As an aside, whoever colored Hulk #128 must not have gotten Roy's memo. Hulk #128 was on sale the same time as Avengers #76, was written by Roy Thomas, and marked the first instance of the post-#76 core team--Clint as Goliath, Vision, Black Panther and the newly-returned Wanda and Pietro--in action. Yet despite all this, in the Hulk issue Wanda's hair was colored its old blue-black hue.
|Scarlet Witch in Hulk #128 (1970)|
|Scarlet Witch in 1970-2|
Next, part 4 of the Scarlet Witch Hair Chronicles: tones and highlights.