As far as I know IBS prepared the pages but didn't start any pre-orders yet - I checked everyday their pages (well, a lot of checks everyday) since they put greninja - (which was the first amiibo to appear in their site soon after nintendo announced the new waves) so I believe they will start to take pre-order very soon - just keep on mind that for April wave they kept preorders opens from early march till very start of April - so I hope they will soon open them - unless they changed something in their policy. In addition, IBS has shelf dates based on US marketing days and not European ones - as you could easily check comparing them with Italian Amiibo lineup page - therefore, I think these are only placeholders pages (Palutena has got duplicated pages, as well) and I'm pretty sure pre-orders didn't start yet... finger crossed