# Ultimate Fantastic Four (2003) #21

Published: 2005-07-13T00:00:00+0000
Series: Ultimate Fantastic Four (2003 - 2009)

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"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!
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