I think with BigW clearing out the first wave (Bbee & Skids), they probably aren't getting in wave 2 or 3 (Roadbuster & Soundwave). Leadfoot is likely to be a store exclusive (with or without the Target logo), and there hasn't been any sign of it here yet.
Email Hasbro Australia to see if they are coming here. I emailed them about upcoming figures about 4 weeks ago, and still haven't got a reply... not even an email to say stop calling.