Via @CsbiaoO_, we now have images of the colour version of the Prima prototype we previously saw. Now we see that the chest does indeed open up to store a matrix. We also have a shot at the alt mode (kinda), which would be a cybertronian vehicle truck similar to Kup.

We also have an image of a test shot of Armada Red Alert, coming within the same line. Unlike what many fans feared, it is a fully new mold AND it has a minicon port, which can be spotted around the back of the … View the full news story on Seibertron.com by clicking here.
Source: Seibertron