"When Titans Collide!"
Chapter II, "A Clash of Titans!"
Chapter III, "... Mind Slave!"
Captain Marvel turns to the Avengers for aid against Thanos, but when the Controller attacks Avengers Mansion, none can stand against him. Elsewhere, the Destroyer fails in his attempt to stop Thanos from acquiring the Cosmic Cube. Mar-Vell is whisked off by Eon for his cosmic transformation into the Protector of the Universe.
First full appearance of Eon.