hero locates the Kree scientists, and briefly battles Ronan the Accuser, who was left with the mind of a child after a previous encounter. Rick Jones is visiting Avengers Mansion when the robotic villain the Super-Adaptoid attacks. During a battle with the Avengers, Jones trades places with Mar-Vell, with the Super-Adaptoid eventually mimicking Mar-Vell's Nega-Bands. Mar-Vell then brings the Super-Adaptoid's pseudo bands together, exiling the robot to the Negative Zone and freeing Jones. Mar-Vell bids Jones farewell and encounters Mercurio the 4-D Man, who tricks Mar-Vell into returning to his home dimension, hoping to coerce the hero into building the Omni-Wave Projector. Mar-Vell, however, defeats Mercurio and returns to Earth. Mar-Vell continues to have dealings with the Kree, preventing scientist Doctor Minerva from killing Rick Jones and battling High Council member Phae-Dor before travelling to Hala and, with King of the Inhumans Blackagar Boltagon ("Black Bolt") as his ally, preventing the "War of the Three Galaxies" by exposing a Skrull infiltrator. After another encounter with Nitro, Mar-Vell briefly attempts to adopt the Walter Lawson identity once again and works at an observatory. This plan is abandoned when forced to become Mar-Vell to stop an energy vampire named "Deathgrip". After an encounter with the Thunder God Thor, Mar-Vell is forced to fight off Drax, who has been driven insane due to being unable to fulfill his purpose and kill Thanos. Eventually convincing Drax to aid him, Mar-Vell enters into a war against ISAAC, the sentient computer that served Thanos and now directs his forces. After a series of protracted battles, Mar-Vell convinces ISAAC's female minion Elysius to join him, causing her to fall in love with Mar-Vell; he subsequently defeats ISAAC's other pawns Chaos and Tarterus and the warrior Stellarax on Earth. Mar-Vell eventually defeats ISAAC by entering the supercomputer's programming and forcing it to experience life. Mar-Vell meets Eon once again and reflects on the events of recent times. 1980s After a battle in the mystical "Dark Dimension"; an encounter with the Hulk and an adventure on an alien world, Mar-Vell discovers that his past exposure to the "Compound 13" nerve gas has given him cancer. Compounding the problem are Mar-Vell's nega-bands, which keep the cancer at bay but also cause it to resist all known forms of treatment, and lack of access to the Kree Empire's medical experts since the Kree consider Mar-Vell a traitor. As Mar-Vell accepts that