I'd say start planning on TF: Prime movie, and not repeat the same mistakes in the 86 movie.
To clarify, how many of us wished Bruticus, Superion, Omega Supreme, etc was in it? Sure would have made Autobot City battles and Unicron battle way more exciting. Many of us already know why they weren't in it, I'm sure Hasbro would like to put out a movie that was epic as the 86 movie, but (for a lack of a better word) more "complete" for fans.
If the TF:P's creators are as clever as they seem thus far, I'm sure new characters are at least halfway sketch designed, if they are not already 3D animated already.
Perhaps the final season ends in a cliffhanger and the actual series finale is the movie. Opposite of Clone Wars where their movie springboards the tv series.
Or the far flung fantasy many of us have....TF: Animated The Movie!!!
Opinion(s)?