The electronic payments industry may be ripe for change, but which company among eBay (EBAY -0.87%), MasterCard (MA -0.52%), Visa (V -0.05%), American Express (AXP -0.44%), and Discover (DFS) is best positioned to succeed? In this segment from The Motley Fool's everything-financials show, Where the Money Is, analysts David Hanson and Matt Koppenheffer play a round of "Would You Rather..." and look at three scenarios involving these five companies.