These are the best corporate Halloween ads of the last 10 years, or so.
American Snickers ad won a Gold Lion at Cannes in 2007.
From 2001, M&Ms, via Germany. More here.
2012, McDonald's, via Canada.
From 2004, Guinness, via Singapore.
From 2004, via The Philippines, for STP oil.
2012 American ad via Sharpie. Subtle. But subtle is good.
Heineken ads from 2001, Via Italy.
Ads from 2005 for Pizza Hut, via China.