Black Zero is the name of a terrorist organization and two supervillains inspired by that organization. All come from DC Comics' Superman titles. The term terrorism is largely synonymous with political violence, and refers to a strategy of using coordinated attacks that typically fall outside the time, manner of conduct, and place commonly understood as representing the bounds of conventional warfare. ... Doctor Doom, one of the most archetypical supervillains. ... The current DC Comics logo, adopted in May 2005. ... Superman, nicknamed The Man of Steel, is a fictional character and superhero who first appeared in Action Comics #1 in June of 1938 and eventually became the most popular and well-known comic book icon of all time. ...

The original Black Zero appeared in the World of Krypton miniseries. In the Third Age of Krypton, the Kryptonians extended their lives by maintaining clones in suspended animation (the Clone Banks), which they then harvested for body parts. The Black Zero organization acted against this "genetic slavery", prompting the War of Clone Rights, which lasted for ten centuries. In their final act, Black Zero detonated a nuclear bomb at Krypton's core. This devastated the planet, and contributed to its destruction many centuries later. General Name, Symbol, Number krypton, Kr, 36 Chemical series noble gases Group, Period, Block 18, 4, p Appearance colorless Atomic mass 83. ... Cloning is the process of creating an identical copy of an original. ... The mushroom cloud of the atomic bombing of Nagasaki, Japan, in 1945 lifted nuclear fallout some 18 km (60,000 feet) above the epicenter. ...

The second Black Zero appeared in Superman + the Legion of Super-Heroes. An intelligent computer virus created by the terrorist group, Black Zero II was dormant in the Kryptonian technology used to create the Fortress of Solitude. After being inadvertently activated by Apparition, Black Zero II ran Superman and the Legion through a warped version of Kryptonian history, intending to finish with the destruction of Earth. It was halted when Brainiac 5 inadvertantly caused a power outage, and subsequently removed from the Fortress computers. The Legion of Super-Heroes is a team of comic book superheroes in the future, featured in DC Comics. ... In computer security technology, a virus is a self-replicating program that spreads by inserting copies of itself into other executable code or documents. ... The Silver Age Fortress of Solitude, from Superman #187 (June 1966). ... This page discusses the post-Zero Hour reboot version of the character. ... Brainiac 5 (Querl Dox) is a fictional character who exists in the future of the DC Comics universe. ...

The third Black Zero was introduced in Superboy #62 as part of the Hypertension storyline. He was an alternate version of Kon-El, from a Hypertime stream in which he had been left to mature fully, and Superman had not returned to life. As a result, he had become Superman II. However, he believed he was resented for not being the original Superman. When his inexperience led to a battle in which many heroes and civillians were killed, a public backlash began against cloning. After Guardian was killed by a mob, Superman II decided the anti-clone lobby had to be stopped by any means necessary. Since he believed he was fighting for clone rights, he took the name Black Zero. Kon-El is a superhero in the fictional DC Universe and the current Superboy. ... A fictional concept presented in the 1998 comic book series The Kingdom, hypertime is both a catch-all explanation for any continuity discrepancies in DC Universe stories, and a variation—in fact, a superset—of the Multiverse that existed before Crisis on Infinite Earths. ... The Guardian, a. ...

Turning Project Cadmus into his fotress, and leading an army of Guardian clones, Black Zero began a war in which most of Earth's heroes were destroyed, and then recreated by Cadmus' mad scientist Dabney Donovan as soldiers for the Project. Project Cadmus is a fictional government genetic engineering project in the DC Comics Universe. ...

After conquering his Earth, he was contacted by Metron of the New Gods, who offered him the chance to enter Hypertime and "rescue" other worlds in which clones were being oppressed. To his bafflement, the Superboys of these worlds often stood against him, leading him to store them in stasis chambers similar to the Clone Banks of Krypton. He was eventually defeated by a combined effort from all his other selves, led by the Superboy of the main continuity. Metron and his Mobius Chair is a character made up by Jack Kirby and his Fourth World series in DC Comics. ... The New Gods are a fictional race created by Jack Kirby for DC Comics. ...