The Incredible Hulk #168 (1973)

he Hate of the Harpy!"  Written by Steve Englehart, pencils by Herb Trimpe, inks by Jack Abel.  Cover art by Herb Trimpe.  M.O.D.O.K. exposes Betty to a heavy dose of gamma radiation and turns her into the Harpy! Lashing out at the jade giant for having a hand in her husband's death, the Harpy takes down the Hulk by playing on his sympathies and then blasting him.

Key book; first appearance of Betty Ross as the Harpy. Good+ condition.