Lee and Kirby spin the classics with characters and concepts that remain among Marvel's mainstays today! After being lorded over in Latveria by Doctor Doom, the FF face a new level of grudge match when the Thing is tapped for the fighting arena of gangster Skrulls! Featuring the enigmatic inhumans, the Frightful Four, the Mad Thinker and other enduring opponents! Guest-starring Magneto and the Sub-Mariner! Plus: classic invasions from under the earth and under the sea! Collects Fantastic Four #84-110 and Fantastic Four Annual #7-8.
— Description from Comic Vine community (comicvine.gamespot.com).
