2005 Teenage Mutant Ninja Turtles (writer) 3.19 "Reality Check", 2005 3.22 "The Real World Part 1", 2005 3.25 "Exodus Part 1", 2005 4.01 "Cousin Sid", 2005 4.06 "Grudge Match", 2005 4.09 "Aliens Among Us", 2005 4.13 "Samurai Tourist", 2005 4.17 "Outbreak", 2006 4.20 "Return of Savanti Part 1", 2006 4.21 "Return of Savanti Part 2", 2006 4.24 "Good Genes Part 1", 2006 4.25 "Good Genes Part 2", 2006 5.01 "Lap of the Gods", 2008 5.04 "More Worlds Than One", 2008 5.07 "Membership Drive", 2008 5.12 "Enter the Dragons Part 1", 2008 5.13 "Enter the Dragons Part 2", 2008 Legend of the Dragon (writer) 1.16 "Shell Game", 2006 Alien Racers (writer) 1.18 "Skrash and Burn", 2006 Fantastic Four: World's Greatest Heroes (head writer, story editor) 1.03 "Doomsday" (story by Craig Kyle), 2006 1.12 "Annihilation" (story by Craig Kyle), 2007 1.18 "The Cure" (story by Craig Kyle & Dan Slott), 2007 1.26 "Scavenger Hunt", 2007 Wolverine and the X-Men (writer) 1.07 "Wolverine vs. Hulk", 2008 (story by Greg Johnson, Craig Kyle & Christopher Yost) 1.09 "Future X", 2008 (story by Greg Johnson & Craig Kyle) 1.10 "Greetings from Genosha", 2008 (story by Greg Johnson & Craig Kyle) 1.12 "Excessive Force", 2008 (story by Greg Johnson, Craig Kyle & Christopher Yost) 1.13 "Battle Lines", 2009 (story by Greg Johnson, Craig Kyle & Christopher Yost) 1.14 "Stolen Lives", 2009 (story only, with Greg Johnson & Craig Kyle) 1.15 "Hunting Grounds", 2009 (story only, with Greg Johnson & Craig Kyle) 1.16 "Badlands", 2009 (story only, with Greg Johnson & Craig Kyle) 1.18 "Backlash", 2009 (story by Greg Johnson, Craig Kyle & Christopher Yost) 1.19 "Guardian Angel", 2009 (story only, with Greg Johnson & Craig Kyle) Iron Man: Armored Adventures (head writer, story editor) 1.01 "Iron Forged in Fire Part 1", 2009 1.02 "Iron Forged in Fire Part 2", 2009 1.12 "Seeing Red", 2009 1.19 "Technovore", 2009 (story only) 1.25 "Tales of Suspense Part 1", 2009 1.26 "Tales of Suspense Part 2", 2009 The Avengers: Earth's Mightiest Heroes (head writer, story editor) 1.05 "The Man in the Ant Hill", 2010 1.06 "Breakout Part 1", 2010 1.07 "Breakout Part 2", 2010 1.14 "Masters of Evil", 2010 1.25 "The Fall of Asgard", 2011 1.26 "A Day Unlike Any Other", 2011 2.01 "The Private War of Doctor Doom", 2012 2.11 "Infiltration", 2012 2.12 "Secret Invasion", 2012 2.13 "Along Came a Spider...", 2012 2.17 "Ultron Unlimited", 2012 2.19 "Emperor Stark",