You are seeking a small container a short distance away from Grant Park. You will know you are on the right path when you spot evidence of destruction. But do not fear, no harm will befall you in seeking this cache.
For the Marvel fans among you, Cletus Kasady was a serial killer who merged with an alien symbiote to become Carnage. The symbiote gave Cletus great power but also increased his mental instability. Carnage was vulnerable to extreme heat and his main enemy was Spider-Man.