The mash-up of Burger King’s Whopper and McDonald’s Big Mac would be created with ingredients from each chain to raise awareness of the day of global unity on 21 September.
Burger King proposes to create a purpose-built restaurant in Atlanta, Georgia in the US, halfway between the chains’ headquarters.
Read more at http://www.marketingmagazine.co.uk/article/1361714/burger-king-offers-mcdonalds-chance-mcwhopper-together#TMRJR2vKIx1lsIXj.99