My personal suspicion is that the Canadian date is optimistic, and they'll be pushed back a bit...
Really: ignore 'Race to Space', which is over a month away (based on Canada dates) since there's a SLIM possibility that it could be a Canada-only two-pack, the dates on the official pictures say the Crystal Sulley and Mr. Incredible are due in early October. It's not impossible that they'll be out before the US - given that the exclusive discs are out all over the world, before the US - but it seems unlikely that they would. The grey market between Canada and America is a lot easier to handle than between Australia and Germany (etc.), so it would be a poor move to put them out in Canada well before the US.
Then again, maybe they'll be out in the US on the same date, and it's just that the system and hierarchy don't know it yet...!
It's only a few weeks - the SAME few - until the next exclusive power disc, allegedly, and there's no new news on that front yet either...