There are finally official images and set descriptions for the Summer 2015 wave of LEGO BIONICLE sets listed on out of all places, Best Buy Canada. Thanks to Michael for the heads up.
Skull Warrior (70791)
Put the freeze on intruders to the ancient city with the ferocious LEGO BIONICLE Skull Warrior! This warrior can easily repel approaching heroes by unleashing 6 successive shots from the huge freeze bow rapid shooter. This figure also features a skull mask and mask pop-off trigger, hook blade, and a battle bash function to fight off invaders.
Skull Slicer (70792)
Patrol the ruins of the ancient arena with the menacing LEGO BIONICLE Skull Slicer, an ancient champion animated by the dark magic of the Skull Spider Mask. Create fearsome combat poses and turn the wheel on Skull Slicer’s back to activate the 4 battle arms all at once. Use the hook blades to rip off masks and pick them up with the mask grabber.
Skull Basher (70793)
Stand guard at the gate to the Temple of Creation with the mighty LEGO BIONICLE Skull Basher. This fearsome warrior is armed with 2 giant hook axes and is ready to use them on anyone who tries to get into the temple. Press the trigger to activate the battle bash function for fun combat against other BIONICLE figures.
Skull Scorpio (70794)
… ContinueBrave the dark burial ground of the ancient city in search of lost masks of power with the LEGO BIONICLE Skull Scorpio. It features a trigger-activated battle stinger with 2 hook
has some of the LEGO Star Wars sets listed for pre-order with the official release date of June 1. The only sets that aren’t listed are the store exclusive 
