# Extraordinary X-Men (2015) #5

Published: 2016-01-13T00:00:00+0000
Series: Extraordinary X-Men (2015 - 2017)
Creators: Humberto Ramos (penciler), Edgar Delgado (colorist), Victor Olazaba (cover artist), Vc Joe Caramagna (letterer), Jeff Lemire (writer), Daniel Ketchum (editor)

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The clock is winding down for mutantkind and one of the X-Men's oldest foes has come to speed up the process: MISTER SINISTER has returned! And he's bringing the X-Men face-to-face with their greatest fear...As the first chapter of EXTRAORDINARY X-MEN races to its exciting conclusion, one thing's for sure for this team of all-new, all-different X-Men: Not everyone will emerge unscathed.