Wells is an Emmy and Annie Award winning writer and actor for the TV show Robot Chicken, including the Emmy-nominated Star Wars Episode II.

Wells has written numerous titles like Heroes For Hire and Young Avengers/Runaways and various Spider-Man titles and in 2006 signed an exclusive contract with Marvel. He then wrote Venom: Dark Origin telling the origin of Eddie Brock and the Symbiote, as well as the Dark Reign: Elektra tie-in series.

He is currently writing New Mutants with artist Diogenes Neves, including the crossover with Necrosha. Being published in parallel with that series is Amazing Spider-Man Presents: Anti-Venom - New Ways To Live.

Comics

Comics work includes:

• Amazing Spider-Man #555-557, 577, 630-633
• Young Avengers/Runaways (with Stefano Caselli., 4-issue mini-series, Marvel Comics, September—December 2006)
• Daredevil: Battlin' Jack Murdock #1-4
• Doc Samson #4-5 (Back-up stories)
• Fantastic Four/Iron Man: Big in Japan #1-4
• Heroes for Hire #8-15
• Marvel Adventures: Fantastic Four #17-20
• Marvel Adventures: Spider-Man #13-16
• New Warriors (vol. 3) #1-6
• Spider-Man #42-43, 51-57
• Snake Woman #1-10
• Spider-Man's Tangled Web #12, 20
• Spider-Man/Doctor Octopus: Year One #1-5
• Venom: Dark Origin (with Angel Medina, 5-issue limited series, October 2008 - February 2009, tpb, July 2009, ISBN 0-7851-2748-8)
• Dark Reign: Elektra (with Clay Mann, 5-issue limited series, Marvel Comics, May—October 2009)
• New Mutants (vol. 3) #1 - ongoing (with Diogenes Neves, Marvel Comics, July 2009-ongoing)
• Amazing Spider-Man Presents: Anti-Venom - New Ways To Live (with Paulo Siqueira, 3-issue mini-series, Marvel Comics, November 2009-January 2010, ongoing)
• "Binary" (with Ibraim Roberson, in X-Necrosha, one-shot, Marvel Comics, December 2009)