The first set (seen above) features a new pirate Bird-character from the MLP Movie, which we've not seen before. Sadly a (also new) Applejack pirate figure is standing in front of it, blocking the name. The only thing we know for certain now is that it's name starts with a "B". On the box it mentions an action that is triggered by squeezing it's legs. Judging by the projectiles that are included, I suppose these will be fired when you squeeze.
The final set shown is a Walmart Exclusive Rainbow Dash figure that comes as part of a big flying ship. You can clearly see the well-decorated ship below, but sadly there's no clear picture of the included Rainbow Dash figure.
Credits to Peter Toys for the images! We hope to get more detailed photos of these sets soon, and will of course share them with you.