A:AnswerYou'll most likely get multiples of the same character. I'm pretty sure the warehouse tries to give an assortment of characters but it all depends on what they have on-hand. The more you order, the better your chances of getting the entire wave.
A:AnswerUnfortunately you won’t be able to on Best Buy online as they don’t currently list all individual figures yet. Figures that are part of a set display a ‘styles may vary’. Assuming you won’t know what you are getting. You’ll need to visit stores to find the ones you need.