The Japanese website was updated today with 2 new “Field” locations and Hope’s summon Alexander. Despite not marked, the trailer section got an update again showing a countdown clock for the “Final trailer”. The trailer will be available for viewing pleasure on Wednesday 5am GMT or Tuesday 8pm Japanese time. It seems that this will be the last Japanese trailer we’ll get. It is yet unknown if the trailer will be released in English.
This is the first time Square Enix releases a trailer for Final Fantasy XIII that hasn’t been seen in private (e.g Closed Mega Theatres)
If it really is the last one, it ought to be very special so stay tuned!