Markets could rebound after Thursday's global market sell-off, but investors should see any bounce as a selling opportunity, as the world economy rolls towards total collapse, Mark Faber, editor and publisher of the Boom, Doom and Gloom Report, told CNBC Friday.

Dr. Marc Faber

A mooted third round of quantitative easing(QE3) in the U.S. and more money printing elsewhere is merely deferring a crisis that will be bigger and could end in war, Faber said.