For over 50 years, Uncanny X-Men has defined Marvel Comics. And now, with issue #600, it's all coming to an end.

From the get-go, it's easy to see that Marvel isn't treating this book like just another finale. After all, Uncanny X-Men is the publisher's longest-running series ever (even if it wasn't always called Uncanny). Obviously, Marvel isn't just going to brush the series aside to make way for some new monthly book.

As a result, Uncanny X-Men #600 has what could be one of the greatest creative teams in recent memory: the book is being written by none other than Brian Michael Bendis, with art from Chris Bachalo, Kris Anka, David Marquez and more. It's a huge team, that much is obvious — but it makes sense for such a big event.

With just a month left before the series comes to a close, Marvel has released a bite-sized preview of what's to come. There's not much in terms of new narrative info (as to be expected), but what few pages are shown seem to hint a more somber ending than some might expect:

From Marvel:

"This November, cap off this era of Marvel's mutants with an epic bang. Today, Marvel is pleased to present your new look at UNCANNY X-MEN #600 — the finale of Brian Michael Bendis' epic X-Men saga. Brought to life by A-list creators – Uncanny X-Men #600 features 38 pages of new content from Stuart Immonen, Chris Bachalo, Sara Pichelli, David Marquez, Mahmud Asrar, Kris Anka and Frazer Irving – mutant history will be made! What will become of Scott Summers' mutant revolution? What will become of the Jean Grey School and the New Xavier School? Find out as in this explosive final chapter! Be there as UNCANNY X-MEN #600 hits comic shops and digital devices this November!"

At this point, one thing is certain: Marvel's not kidding around when they call issue #600 "the end of an era."

Uncanny X-Men #600 will be available on November 4.

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