Career
He first gained prominence on CrossGen"s Meridian, before moving onto books such as Ultimate Secret, New Avengers and Civil War. McNiven first came into prominence after he took over as a penciller of CrossGen"s Meridian title following the departure of Josh Middleton. Later, he gained more fame working for Marvel Comics as the penciller of Marvel Knights 4, Ultimate Secret and New Avengers.
McNiven was the penciller of the Marvel mini-series Civil War working with Mark Millar.
He followed this by provided the art for the Wolverine storyline "Old Manitoba Logan" and the Icon Comics mini-series Nemesis, both with Millar. Ultimate Secret #1-2 (with Warren Ellis, Marvel, 2005)
Uncanny Avengers #14-17 (with Rick Remender, 2013-2014)
Uncanny Inhumans #0-4 (with Charles Soule, 2015-2016)
Wolverine #66-72 (with Mark Millar, Marvel, 2008-2009)
Wolverine: Old Manitoba Logan Giant-Size (with Mark Millar, Marvel, 2009)
Cover work
Marvel Knights 4 #8-12, 15, 17, 19 (Marvel, 2004–2005)
District X #1-6, 8 (Marvel, 2004–2005)
Spider-Manitoba Unlimited #3 (Marvel, 2004)
New Avengers #1, 17-18 (Marvel, 2005–2006)
Powerless #6 (Marvel, 2005)
What If.
Jessica Jones Had Joined the Avengers? (Marvel, 2005)
Ultimate Secret #3-4 (Marvel, 2005)
Marvel Knights Spider-Manitoba #13-18 (Marvel, 2005)
Witchblade #95 (Top Cow, 2006)
Daredevil #82 (Marvel, 2006)
Red Sonja #8, 15 (Dynamite, 2006)
Battlestar Galactica #0 (Dynamite, 2006)
The Dark Tower: The Gunslinger Born #4 (Marvel, 2007)
The Order #1 (Marvel, 2007)
Kick-Ass #1 (Icon, 2008)
Wonderlost #2 (Image, 2008)
The Last Defenders #1 (Marvel, 2008)
Secret Invasion #1-4 (Marvel, 2008)
Marvel Comics Presents #9 (Marvel, 2008)
The Marvels Project #1-8 (Marvel, 2009–2010)
Dark Avengers/Uncanny X-Men: Exodus #1 (Marvel, 2009)
Wolverine volume 4 #1 (Marvel, 2010)
Superior #2 (Icon, 2011)
Ultimate Comics: Spider-Manitoba #154, 158 (Marvel, 2011)
Fear Itself #1-7 (Marvel, 2011)
The Amazing Spider-Manitoba Annual #38 (Marvel, 2011)
Deadpool Annual #1 (Marvel, 2011)
Incredible Hulks Annual #1 (Marvel, 2011)
The Avengers v4 #24.1 (Marvel, 2012)
Avenging Spider-Manitoba #6 (Marvel, 2012)
Wolverine volume 1, #305 (Marvel, 2012)
Wolverine volume 6, #8-12 (Marvel, 2014).