Superman: Unbound his drones attacking a planet. Though he attempts to stop them, Superman witnesses Brainiac capture the planet's capital like he did with Kandor before firing a Solar Aggressor missile to consume the planet in its exploding sun. The explosion knocks Superman unconscious and he is brought on board Brainiac’s skull shaped, tentacled ship. Coming to in the examination room, he fights his way through the vessel before he discovers a room full of bottled cities prior to being attacked by Brainiac. At this point, confirming that he spared Krypton because of its eventual destruction, Brainiac is shown that he has
Superman (Earth-Two) that he is this world's peerless champion." Superman (Earth-Two) Superman of Earth-Two is an alternate version of the fictional superhero Superman, who appears in American comic books published by DC Comics. The character was introduced after DC Comics created Earth-Two, a parallel world that was retroactively established as the home of characters whose adventures had been published in the Golden Age of comic books. This allowed creators to publish Superman comic books taking place in current continuity while being able to disregard Golden Age stories, solving an incongruity, as Superman had been published as a single ongoing incarnation since inception.