From a German transfan website, scans of Transformers pages in a Hasbro catalogue book from the German Toyfair (that's on this weekend - is the biggest annual toyfair in the world).

Includes:

Bot Shots wave 1 (Bumblebee, Gen1 Starscream, Optimus Prime, Movie Barricade) MARCH

TFPrime Deluxe wave 1 (Bumblebee V2, Cliffjumper V2, Wheeljack, Soundwave) APRIL
TFPrime Voyager wave 1 (Optimus V2, Megatron) (note - Hasbro Germany is still calling them Voyagers and Deluxe) APRIL
TFPrime Action Pack (Starscream Vs Bumblebee) (no photo shown) APRIL
TFPrime Legends (Legion) wave 1 (Bumblebee, Ratchet, Arcee) APRIL
TFPrime Commander wave 1 (Starscream, Megatron, Optimus) APRIL
TFPrime Action sets wave 1 (Wheeljack w/ spaceship, Knockout w/ driller) APRIL
TFPrime Weaponizer (Optimus, Bumblebee) (no photo shown) AUGUST
TFPrime Optimus Maximus (no photo shown) AUGUST

Character Masks (Optimus, Bumblebee) (could be ones from TF3) APRIL
Electronic Optimus Mask (could be the same one from the 3 movies, but image is just the Character Mask) APRIL

Kre-O big Optimus Prime from series 1 FEBRUARY
Kre-O Megatron from series 1 FEBRUARY
Kre-O Sentinel Prime from series 1 FEBRUARY
Kre-O Sideswipe from series 1 FEBRUARY
Kre-O big Bumblebee from series 1 FEBRUARY
Kre-O Starscream from series 1 FEBRUARY
Kre-O Jazz from series 1 FEBRUARY
Kre-O Prowl from series 1 FEBRUARY
Kre-O Ratchet from series 1 FEBRUARY
Kre-O basic Optimus Prime from series 1 FEBRUARY
Kre-O basic Bumblebee from series 1 FEBRUARY
Kre-O Mirage from series 1 FEBRUARY
Kre-O Construction Devastator from series 2 (which was posted by 5FDP in a separate topic here) SEPTEMBER