Brian was later featured as the team leader of New Excalibur in 2005, culminating with the X-Men: Die by the Sword limited series. Following the Secret Invasion crossover, Brian headlined the 2008 series Captain Britain and MI: 13, written by Paul Cornell, which included some characters from New Excalibur, as well as members of MI: 13 who appeared in Cornell's Wisdom limited series. The character later appeared as a regular character in the 2010-2013 Secret Avengers series, from issue #22 (April 2012) through its final issue #37 (March 2013), reappearing with the Avengers as a part of the Time Runs Out storyline.