The Death of Superman is a comic book storyline (culminating in Superman (vol. 2) #75 in 1992) that served as the catalyst for DC Comics' crossover event of 1993. The completed multi-issue story arc was given the title The Death and Return of Superman. The storyline's premise is as simple as its title: Superman engages in battle with a seemingly unstoppable killing machine named Doomsday in the streets of Metropolis. At the fight's conclusion, both combatants die from their wounds.
Confidence votes 5. Well the cleanest bug in the world would most probably be a cockroach but dogs do have the cleanest mouths~!!! (=. 3 people found this useful.
The cleanest cleanroom is a class 1 and the dirtiest a class 9. ISO class 3 is approximately equal to FS209E class 1, while ISO class 8 approximately equals FS209E class 100,000. In November 2001, Federal Standard 209E was superseded by the new ISO 14644-1 international standards.