Idlehands has some images up of items from the Toy fair! Here is a quick re-cap, more information on their post.
Says 18 characters will be released with wedding themed accessories.
Mane six as bridesmaids.
Possibility of new Fashion Style ponies or re-released sets.
Cutie Crusaders as flower girls.
Another image of the Castle with Shining Armor and Princess Cadence.
Says all 3 waves will be released. Refers to blind bags as "clipstrips".