41 issues, all written by Brian Michael Bendis! It should be stated that Cory Petit lettered every issue as well, which is pretty impressive to keep the same letterer for an entire series.
The series ran from, cover dated, January 2013 to August 2015
Since this was the main flagship title, sharing the honor with Uncanny – a lot took place in this series. This is the series where the time misplaced Original Five X-Men starred. Crossover overs storylines were – Battle of the Atom / Trial of Jean Grey / Black Vortex. Other storylines include the much demanded sequel to Battle of the Atom, the Ultimate Adventure and the Utopians arc.
Art Teams were –
1, 2, 3, 4, 5, 9, 10, 11, 14, 16, 17, 18, 22, 23, 24, 26, 27, 28, 29 – Stuart Immonen, Wade Von Grawbadger, Colorist Marte Gracia and VC’s Cory Petit
Issue five, Inker Von Grawbadger had help from Craig Yeung and Gracia had help from Jason Keith. Issues nine & ten, Gracia had help from Rain Beredo. Issue twenty-nine, Gracia had help from Jason Keith.
6, 7, 8 – David Marquez on both pencils and inks, Gracia and Petit
12, 13 – Stuart Immonen, Wade Von Grawbadger, Colorist Rain Beredo and VC’s Cory Petit
15 – David Lafuente on both pencils and inks, Colorist Jim Campbell and VC’s Cory Petit
19 – Brandon Peterson on both pencils and inks, Colorist Israel Silva and VC’s Cory Petit
20 – Brandon Peterson and Mahmud Asrar shared art duties, Colorist Gracia returned and helped Silva and VC’s Cory Petit stuck around as well
21 – Brandon Peterson and legend Brent Anderson (did a few pages on his own) Silva colored Petersn’s pages and Campbell did the Anderson pages, VC’s Cory Petit did all of his own lettering
25 – The All Star Jam Issue! Artists David Marquez with Justin Ponsor on colors for the Framing Device, VC’s Cory Petit on lettering duties – the other artistic talents of :
Bruce Timm & Laura Martin, Arthur Adams & Justin Ponsor, David Mack, Skottie Young & Jason Keith, Robbi Rodriquez & Justin Ponsor, Lee Bermejo & Marte Gracia, Kent Williams, JG Jones, Ronnie Del Carmen, J. Scott Campbell & Nei Ruffino, Maris Wicks, Jason Shiga, Dan Hipp, Max Wittert, Jake Parker & Matthew Wilson, Jill Thompson and Paul Smith & Bob Wiacek & Jordie Bellaire
30 – Sara Pichelli, Colorist Marte Gracia and VC’s Cory Petit
31, 32, 33, 34, 36 – Mahmud Asrar on both pencils and inks, Colorist Marte Gracia and Letterer VC’s Cory Petit
Issue 31 Gracia had helped from Jason Keith. Issue 34, Gracia received some support from Marcelo Maiolo.
35 – Mahmud Asrar on both pencils and inks, Colorist Marcelo Maiolo and Letterer VC’s Cory Petit
37 – Mike Del Mundo on pencils, inks and colors, though Marco D’Alfonso helped with the coloring and VC’s Cory Petit on lettering
38, 39 – Andrea Sorrentino on pencils and inks, Colorist Marcelo Maiolo and Letterer VC’s Cory Petit
40 – Mahmud Asrar on both pencils and inks, Colorist Rain Beredo and Letterer VC’s Cory Petit
41 – Mahmud Asrar on both pencils and inks, Colorist Marte Gracia and Letterer VC’s Cory Petit
There was a whole host of variant covers with this series so I’m not listing cover artists – not that I do but in case you were wondering.