Ultimate Fantastic Four #21: Regular
a cover of issue #21 of Ultimate Fantastic Four by Marvel Comics
Issue description
"CROSSOVER" Part 1 (of 3)
Ultimate Starts Month begins here! Mark Millar returns to Ultimate Fantastic Four, and he’s brought X-Men: Phoenix Endsong superstar Greg Land with him! Even in their short careers, the Ultimate FF have seen a lot of amazing things – but nothing will prepare them for the world they’re about to enter! Reed Richards has used his scientific genius to contact an Earth in a surprisingly familiar parallel dimension – and he’s ready to visit!