The Incredible Hulk Vol. 1 (1962-1999) #168

Plot

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; Meanwhile, officials at the Pentagon relieve Thunderbolt Ross of his duties and place Colonel Armbruster in charge of Project Greenskin.