According to a self acclaim, John Keehan of Edgewater Chicago. He was a Martial Arts master who died of a bleeding ulcer, brought on by his stressors. But, according to the book "Top 1000 Worlds Deadliest" #1 is the Korean War general No-Dhin-Diyhm. He was considered dangerous for his ability to gain access to a large amount of nuclear warheads easily.
HAYLEY STEVENSON IS FAR MORE DEADLY
Judge Death , one of the Dark Judges - see related link below .
ironman
Aladdin is a cartoon character, not a superhero.
Along with Superman, Batman is the most famous DC Comics superhero.
I would believe either Superman or Batman.
Batman has the largest for DC & Spider-Man has the largest for Marvel.
The consensus on who is the single most powerful superhero is Superman .
spiderman
batman
the most deadly planet is neptune (as of 2010)
Emma Frost started out as a villain for most of her life but in most Marvel realities she later joins the X-Men and becomes a superhero.
mrsa is the most unknown and deadly disease
batman
Spider-man
Mysterion from South Park.
ironman
The one most people think of is - Superman.
the platapys is actually the most deadly mamal i know i was amazed to.