Avengers Vol.1 #88
General Ross has imprisoned the Hulk at Boulder Dam! And now with help from Mr. Fantastic, the Green Goliath is prepared for loading into a coma-crypt for safekeeping! But during the transfer, a bizarre alien named Psyklop kidnaps the gamma-radiated behemoth! Meanwhile on a supposedly deserted pacific atoll, four avengers and the Falcon are following a lead on a voodoo cult...when they stumble across Psyklop and the Hulk!
Printed: May 1971
Writers: Harlan Ellison and Roy Thomas
Art: Sal Buscema and Jim Mooney
Cover: Sal Buscema