Is Iron Man: Extremis coming back?

Iron Man: Extremis ended on June 23, 2010, after its six-episode run on iTunes. The series concluded its story within the timeframe of its single season. There are no upcoming episodes or plans for continuation at this time.

Iron Man: Extremis was an animated action and science-fiction series that first premiered on April 16, 2010. It was based on the Marvel Comics storyline by Warren Ellis and Adi Granov, and depicted Iron Man's adventures in the 21st century. The show focused on Tony Stark dealing with a biochemist connected to his past who develops a dangerous new weapon, threatening global security.

Each episode had a runtime of approximately 10 minutes, offering a concise and action-packed viewing experience.