Fantastic Four #293 NM 9.4
"Central City does Not Answer!" Part 2 of 4. Guest-starring the West Coast Avengers and Wyatt Wingfoot. Story by John Byrne. Art by John Byrne and Al Gordon. Cover by John Byrne. Story continued from Thing (Vol. 1) #36. When a gigantic ebony dome appears out of no where the Avengers are called to investigate. When Earth's Mightiest Heroes fail to solve the mystery, the Fantastic Four are called in. When they are suddenly sucked into the black void beyond, that is when the true adventure begins! Last Byrne issue as artist.