^This. ^_^;;
This is what matters. Unless they do something to the servers to make it happen, I don't see it happening. It could be made into the game before you connect online that it reverts to Land during Nintendo WFC and Union Room. Which means we're screwed.
The only other option is the lady upstairs on the far right, but then it's like a waste of time if you're forced to use the things over that. Restricted to local tournaments, restricted to Lv. 50. (unless they have Local Lv. 100 now, at least that'd be fun to have, no more Wifi only IV check, but it'd only be compatible with other Platinums, shit.....)
It's too early to say it's impossible, but don't get your hopes up, best would be not to even think about the alt forms at all until we get confirmation they're playable on Wifi, which I don't see happening.