Discover how Barbara Morse became the Avenger known as Mockingbird! She's a S.H.I.E.L.D. scientist who's trained for action and destined for greatness, and she's hunting down the Man-Thing in the Savage Land - with a little help from Ka-Zar! But what happens when the wild man follows Bobbi back to the urban jungle, and onto the S.H.I.E.L.D. Helicarrier? Astonishing Tales (1970) #10, #12-13, #15-20; Ka-Zar (1974) #3-5; Marvel Team-Up (1972) #95; Hawkeye (1983) #1-4; material from Astonishing Tales (1970) #8; Savage Tales (1971) #8; Marvel Super Action (1976) #1.