Published Jul 1970 by Marvel.
The FF battle the Mad Thinker and the Puppet Master in "The Long Journey Home!" Script by Stan Lee, pencils by Jack Kirby, inks by Joe Sinnott. Crystal (of the Inhumans) guest stars. Cameo appearances by androids who look like Kang the Conqueror, Doctor Doom, the Hulk, the Dragon Man, the Sub-Mariner, the Hate-Monger, Diablo, the Super-Skrull, the Red Ghost and his Super-Apes, the Wizard, the Trapster, and the Sandman. Kirby/Sinnott cover. Cover price $0.15.