Avengers #88 / (1971) 7.0

1st Printing. "The Summons of Psyklop" Part 1 of 2. Guest-starring Mr. Fantastic, the Falcon, Professor X, and the Hulk. Plot by Harlan Ellison. Script by Roy Thomas. Pencils by Sal Buscema. Inks by Jim Mooney. Cover by Sal Buscema. 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! What a coincidence! The Avengers quickly attack! But Psyklop slips away and the Hulk fades away! Where on Earth did they go? Story continues in Incredible Hulk 140. Cameo appearance by Professor Xavier. Avengers Lineup: Black Panther, Captain America, Goliath, Iron Man, Quicksilver, Scarlet Witch, Thor, and the Vision. (Notes: The letters page of Avengers 92 details the development of this two-part adventure. This story was reprinted in Marvel Super Heroes 90.) 32 pages. NOTE: 1994 JC Penney reprint exists. Can be identified by having a Stridex ad on the back cover. Cover price $0.15.