From the IDW forum.

News has already made its way here about the ongoing Transformers comic series IDW are starting soon (November), but hot on its heals are 2 additional comic mini-series, and a Movie 'sequel' title.

'Transformers: Bumblebee' (4 issues starting December) and 'Transformers: Last Stand of the Wreckers' (starting January) will both be set within the ongoing series universe.

Transformers: Nefarious follows on from ROTF, and will also be starting early next year, according to Comics Continuum.