Captian Duke Hauser: Drive it like you stole it!
Roadblock: As your good friend, you need a new catchphrase.
Even if someone would make all nuclear powers launch their nuclear missiles and then destroy them you still wouldn't have a nuclear weapons free world as most of those nations have plenty of nuclear weapons in reserve. A lot would be even be armed and ready to go for a possible second strike.
After Storm Shadow kills the last ninja guarding Zartan, Zartan knocks over a bunch of crates. Right after he does this, pay attention to the wall behind Zartan: you can see the logo there of the Umbrella Corporation, from the Resident Evil series.