VENOM and CARNAGE XD
It looks as though the new Disney XD Spider-Man cartoon will feature both Venom and Carnage. The Spider-Man Marvel Kids site now includes character bios, including our two favorite symbiotes:
The Venom design is identical to the promo art that was released in the beginning of the year, so it is pretty safe to say will will see symbiotes on the show in the near future.
[Thanks to @Bizarnage for his detective work]