"The Savage Man!" Part 2 of 4. Guest-starring Ka-Zar. Captain America has arrived in the prehistoric Savage Land in search of his missing ex-girlfriend and S.H.I.E.L.D. Agent 13, Sharon Carter. But the Sentinel of liberty has discovered that there is more amiss here then he at first realized. Someone is performing bizarre experiments on the denizens of the Land, and its protector, Kevin Plunder, a.k.a. Ka-Zar, has been inexplicably aged. Cap will be shocked to learn who's behind it all.