Written by HARLAN ELLISON, ROY THOMAS, CHRIS CLAREMONT, ARCHIE GOODWIN, LEN WEIN, HERB TRIMPE, BILL MANTLO & PETER GILLIS Penciled by HERB TRIMPE, SAL BUSCEMA & JOE STATON Cover by HERB TRIMPE & DAVE COCKRUM In the sub-atomic kingdom of K'ai, the Hulk gained Bruce Banner's brain, but lost his heart to the gorgeous green Grace: Jarella! After the sinister Psyklop gets their world in his hands, the atom-crossed couple seeks happiness on Earth, but the odds seem stacked against them in both dimensions! Will the Hulk save his emerald angel and her war-torn world? Can green hearts be broken? Find out in this saga that spans time, space, and [non]human emotion! Guest-starring Captain Marvel and the Avengers! Collecting INCREDIBLE HULK #140, #148, #156, #202-203, #205-207 and #246-248; and WHAT IF? #23. 240 PGS.