User blog comment:Plexioth- xD/Monster Hunter 3 Ultimate/@comment-4609162-20130126224610/@comment-1011548-20130127112855

The Japanese-relevant Event Weapons (and Armor) will probably be replaced again for much the same reason as before.

It's not a 100% certain, but personally I will be pretty shocked if they don't use the Tri weapon skins they already have on hand.