In 2005, Cosby launched BOOM! Studios, the award-winning comic book publishing company known for Pixar comics, Muppets comic books based on Mickey Mouse and Donald Duck, series featuring Warhammer and Warhammer 40,000 from Games Workshop, as well as 28 Days Later comic books, Die Hard comic books, and a sequential panel-to-panel graphic rendition of Do Androids Dream of Electric Sheep.
Boom's first published comic was Zombie Tales, which Cosby created.
BOOM!'s published many adaptations of popular films. Its Planet of the Apes series of comics is the longest-running adaptation of the series, publishing more comics than Marvel (29 issues) and Malibu (50 issues). BOOM!'s series include: Planet of the Apes (16 issues plus an annual, a "giant" issue, a "special" issue, and a "Spectacular"), Betrayal on the Planet of the Apes (4 issues), Exile on Planet of the Apes (4 issues), and Planet of the Apes: Cataclysm (12 issues). Just before the release of Rise of the Planet of the Apes BOOM! serialized a one-shot prelude to the movie online as a free webcomic. At San Diego Comic Con International 2014, they published a one shot Dawn of the Planet of the Apes: Contagion bridging Rise of the Planet of the Apes and Dawn of the Planet of the Apes. They are following this with a six-issue series Dawn of the Planet of the Apes in the modern movie continuity as the classic movie continuity crosses over with Star Trek The Original Series in a co-publishing deal with IDW Publishing.
Other film adaptations include an ongoing series based on Big Trouble In Little China written by Eric Powell and John Carpenter, an Escape from New York comic book, an ongoing series with Bill and Ted's Excellent Adventure, an eight-issue series based on Robocop and 28 Days Later, bridging the story between 28 Days Later and 28 Weeks Later, a 12 issue series based on Clive Barker's Nightbreed, new Hellraiser comics—unlike the previous Marvel Comics series, Barker himself co-wrote the series—eight issues of Die Hard: Year One focusing on John McClane's first year as a beat cop in New York City, and a film tie-in for Jennifer's Body.
BOOM! has published a number of series that are based on television shows like Sleepy Hollow and Sons of Anarchy and Jim Henson's Fraggle Rock. New stories with Farscape began in 2009 and ran for 6 subsequent mini-series and a 24-issue ongoing series. All of BOOM!’s Farscape series were co-written by show creator Rockne S. O’Bannon and take place in official show continuity immediately after the Peacekeeper Wars. BOOM! also published a tie-in to SyFy's show Eureka and well as new stories featuring TV's The Avengers, also known as Steed and Mrs. Peel so as not to be confused with the Marvel Comics characters of the same name. On January 28, 2012, BOOM! released a reprint of the previously-published Eclipse Comics mini-series written by Grant Morrison and drawn by Ian Gibson. Boom acquired the license for Mighty Morphin Power Rangers in June 2015 and released a monthly comic starting in January 2016. Soon after its launch they announced a spinoff limited series, MMPR: Pink, which launched in May 2016.
BOOM! has adapted popular authors like Philip K. Dick, and Michael Moorcock: a series based on Do Androids Dream of Electric Sheep retained all the original text to the novel and was nominated for a "Best New Series" 2010 Eisner Awards. A prequel series followed subtitled "Dust to Dust." In 2011, BOOM! launched Elric: The Balance Lost a new original series starring Michael Moorcock's character Elric of Melniboné and guest-starring the Eternal Champions Corum and Dorian Hawkmoon.
BOOM! has licensed games as well. In 2006 they launched Games Workshop properties ultimately publishing 42 comic books collected into 9 graphic novels. 5 mini-series featured Warhammer 40,000: Damnation Crusade (Black Templars), Blood and Thunder (Orks), Exterminatus (The Inquisitors), Fire and Honour (Imperial Guardsmen), and Defenders of Ultramar (Ultramarines). Warhammer Fantasy series included Forge of War (Empire vs. Chaos), Condemned by Fire (Witch Hunters), and Crown of Destruction by Kieron Gillen depicting The Empire fighting Skaven. BOOM! also produced a Blood Bowl mini entitled Killer Contract. The last BOOM!/Games Workshop comics series shipped in 2009.
BOOM! also publishes tie-ins with famous bands, adapting Rush's Clockwork Angels to comics. BOOM! publishes The Amory Wars comic books based on the Coheed and Cambria mythology.
KaBOOM! KaBOOM!, originally launched as "BOOM! Kids", publishes series that are aimed at readers of all ages.
Roger Langridge's series Snarked! ran 12 issues (3 graphic novels) from 2011 to 2012 and won an Eisner Award. New series Abigail and the Snowman launches in December 2014.
Licenses BOOM published a number of Pixar series featuring nearly the entire catalog of the company’s characters: The Incredibles in a 4 issue mini-series and a 16 issue ongoing, Cars in two 4 issue mini-series and an 8-issue ongoing, Toy Story in two 4 issue mini-series and an 8-issue ongoing, Wall-E with 8 issues, Finding Nemo with two 4 issue mini-series, and Monsters, Inc. in a single 4 issue mini-series.
BOOM! published several series featuring The Muppets with two different editorial approaches: a main series Roger Langridge wrote and drew based on The Muppet Show that started with the 4 issue mini-series The Muppet Show Comic Book in March 2009 and was followed by the 4 issue mini-series The Treasure of Peg-Leg Wilson with an ongoing following which ran until October 2010. The second approach published a series of mini-series featuring different writers and artists creating public domain fairy tales with The Muppets including Robin Hood.
In September 2009, BOOM Kids! began publishing a line of comic books featuring the Disney "Standard Characters" such as Mickey Mouse, Donald Duck, Goofy, and Pluto, the earliest characters animated by Walt Disney Studios. The line ultimately grew to six ongoing series: 'Donald Duck and Friends' began with issue #347 from October 2009 picking up the numbering from Gemstone Publishing '. Early issues featured the Italian-created Donald subseries entitled "Double Duck." From issue #363 to the series' end with #367, Donald Duck refocused on reprinting past classics from Carl Barks, Don Rosa, Jack Hannah, and William Van Horn along with new-to-the-US stories by Federico Pedrocchi and Giovan Battista Carpi. 'Uncle Scrooge' continued the numbering from Gemstone Publishing series with issue #384 from September 2009 to issue #404 in June 2011. From issue #392 to issue #399, the series reprinted DuckTales comics from the early 1990s featuring Uncle Scrooge before spinning off a stand-alone DuckTales series featuring new original stories. With issue #400 to its ending with #404, the series re-focused on reprinting past classics from Carl Barks, Don Rosa, Daan Jippes, and Romano Scarpa. *BOOM Kids! also brought Don Rosa’s best-selling 1995 Eisner Award-winning The Life and Times of Scrooge McDuck back into print in two hardcover editions along with The Life and Times of Scrooge McDuck Companion. Other hardcovers that collected past classics like Walt Disney’s Valentine’s Classics and Walt Disney’s Christmas Classics featured work from Carl Barks, Walt Kelly, Floyd Gottfredson, Daan Jippes, and Romano Scarpa. 'Mickey Mouse and Friends' picked up the numbering of Gemstone Publishing’s series with issue #296 by importing and translating the worldwide hit Wizards of Mickey series for the first time in English. The feature ran through issue #299 before BOOM Kids! spun Wizards of Mickey off into its own series. With issue #304 the title was renamed Mickey Mouse and shifted focus to reprinting classic work from Floyd Gottfredson and Paul Murry along with new-to-the-US stories by Noel Van Horn, Romano Scarpa, and Byron Erickson. Spinning out of Mickey Mouse and Friends, Wizards of Mickey debuted in January 2010 and ran for 8 issues. 'Walt Disney's Comics and Stories' continued the numbering from the Gemstone Publishing run with issue #699 in September 2009 through issue #720 in June 2011. BOOM Kids! also released an archival collection of Walt Disney’s Comics and Stories first few issues in one volume called Walt Disney’s Comics and Stories Archives.
In June 2010, BOOM Kids! began publishing a line of comic books based on series and characters from Disney Afternoon television shows. The line ultimately grew to three series starring Disney Afternoon characters. BOOM! began publishing comics based on the Darkwing Duck TV show. Eighteen issues were published before the series wrapped up in October 2011. A 4-part crossover story with Disney's DuckTales titled "Dangerous Currency" ran before the series ended, with parts 1 and 3 in DuckTales #5 and #6 and parts 2 and 4 running in Darkwing Duck #17 and #18. Launching in May 2011, KaBOOM! published six issues based on the television show DuckTales. Notable video game designer Warren Spector wrote the series and the fifth and sixth issues featured a crossover with Darkwing Duck in the storyline "Dangerous Currency".
Spinning out of Walt Disney's Comics and Stories, Disney's Hero Squad featured the Ultraheroes in their own adventures for eight issues before the series ended. Other licensed series BOOM! publishes through KaBOOM! include Charles Schulz's Peanuts, Jim Davis' Garfield, and Frederator series Bravest Warriors and Bee and Puppycat.
Prior to BOOM!, Cosby worked at Malibu Comics from 1993 to 1995, at which time he left the company to pursue a career in feature films and was involved producing the feature film adaptation of Mage by legendary comic book creator Matt Wagner with Spyglass Entertainment, and had various projects with Mike Medavoy (Phoenix Pictures), Mark Canton (The Canton Company), Akiva Goldsman, and Casey Silver.
Working with Mike Richardson and Dark Horse, Cosby set up Damn Nation at MTV Films/Paramount Pictures, a comic book Cosby created and was subsequently attached to write and produce. Damn Nation was Cosby's first published comic book. He then went on to create two children's books for Dark Horse, Dreadful Ed and Mary Scary.
In 2010, Cosby began working with Sebastian Jones' Stranger Comics and is currently helping launch several of their properties as feature films, including The Untamed, which Cosby is producing.
Cosby produced the 2013 film 2 Guns. He is producing the feature film adaptation of Mage, by Matt Wagner, Talent, and Tag with Marc Platt Productions and Universal Studios, Damn Nation at MTV Films/Paramount Pictures, The Nightmare of Hugo Baring with Mike Medavoy (Phoenix Pictures), The Foundation at Paramount, Kringle with Mark Canton (The Canton Company), Akiva Goldsman, Creature Tech with Fox, Unusual Suspects with Lloyd Levin and Casey Silver, Saints Row with Lloyd Levin, based on the top-selling THQ video game, The Untamed, based on the Stranger Comics graphic novel, and Among the Dead with Nick Spicer and XYZ Films. In May 2017 it was announced that Cosby along with Christopher Golden and Mike Mignola will write the script for Hellboy: Rise of the Blood Queen, a reboot of Hellboy film franchise.
Cosby co-created the UPN horror series Haunted and is the co-creator of the record-breaking Syfy TV show Eureka, which concluded its fifth and final season in July 2012.
Cosby is in active development on a number of new television ventures, including a reinvention of the classic HBO series Tales from the Crypt, an ultra-violent Viking show with Omni Film Productions in Canada, the sci-fi police procedural Variant with Suzanne de Passe and Madison Jones, Runoff with Lloyd Levin (Watchmen, Hellboy) and Nick Nunziata (Don't be Afraid of the Dark),based on the comic book by Tom Manning, and an Untitled Horror Series with Superman/Constantine producer, Gil Adler.