2003). The limited series Captain Marvel vol. 6, #1–5 (January–June 2008) was released as part of the 2008 "Secret Invasion" storyline and supposedly heralded the return of the character, although it was eventually revealed that this "Mar-Vell" was an alien Skrull called Khn'nr. Mar-Vell was one of the featured characters in the 2011 three-issue limited series Chaos War: Dead Avengers. Fictional character biography 1960s After the Kree's first encounter with humans, Captain Mar-Vell is sent to spy on Earth and decide if it is a threat to the Kree empire. He adopts the identity of a recently deceased scientist named Walter Lawson, but occasionally dons his Kree military uniform to protect the people he's observing. The first time he does this, people hear him incorrectly pronounce his name as "Captain Marvel". His job is made difficult by his jealous commanding officer, Colonel Yon-Rogg, his growing affection for humanity, and his fake identity's criminal past. After aiding humanity several times, Mar-Vell is found guilty of treason against the Kree Empire and sentenced to death by firing squad. Mar-Vell escapes in a stolen rocket, but becomes lost in space. After drifting for 112 days, he is weak and on the verge of madness. He is manipulated by Ronan the Accuser and Kree Minister Zarek into helping them overthrow the Supreme Intelligence. To better help them, Mar-Vell is given a new costume and enhanced abilities. After the conspiracy is foiled, Mar-Vell tries to return to Earth. On the way, he is hit by a blast of radiation that traps him in the Negative Zone. The Supreme Intelligence enables Mar-Vell to telepathically contact Rick Jones, which he uses to lead Jones to a set of "nega-bands" at an abandoned Kree base. When Jones puts on the bands and strikes them together, he trades places with Mar-Vell and is encased in a protective aura in the Negative Zone. The pair discover they are able to maintain telepathic contact. Using this method, Mar-Vell can remain in the positive universe for a period of three hours. 1970s After brief encounters with the villain Scorpio and the Hulk Jones uses Mister Fantastic's portal to the Negative Zone to free Mar-Vell, who then becomes embroiled in the Kree-Skrull War. As a result of the war, Jones is left near death and Mar-Vell re-merged with Jones to save his life. Mar-Vell's consciousness begins to resurface weeks later as Jones's body