These are unreleased prototypes for the command miniatures for each race and a new Karn "Ninja" type unit. This photo was provded by one of the team who worked on the Havok Line.
Left to Right
Pteravore Prime, Karn "Ninja", Tribune Commander and Kai Une Commander.
Kai Une Commander
Here we have a painted shot of the unreleased Kai Une Commander.
Karn Champion
And a painted shot of the Tribune Commander.
Pterevore Prime. It is unknown if this is a repaint of official colour scheme.
Pterevore Prime.
Pterevore Prime in two different colour schemes.