Holy coloring error! Fortunately for the colorist, they weren’t credited in this issue.
Daredevil (Vol. 1) #77
Published: c. April, 1971?
Cover Date: June, 1971
“…And So Enters the Amazing Spider-Man”
Writer: Gerry Conway
Artist: Gene Colan
Inker: Tom Palmer
Letterer: Jean Simek
Two jobs in these panels. Blonde MJ and Black-haired Peter.
Peter has very good reason to gape at her! Out of context, this scene looks like him being shocked at her new hair-dye and trying to pluck up the courage to say it doesn’t work!