I saw on HLJ yesterday while pre-ordering next year's Masterpiece toys, that the next two Legends figures were listed, but had no images yet.
Now Amazon.jp have given us images of LG08 Swerve & Tailgate, and LG09 Brainstorm.
Official Images have been mirrored here.

For a recap of the new JP Legends line, which is really just the new name for the JP Generations line....

October 25th
LG-01 Rattrap - DLX
LG-02 Optimus Primal - Ultra/Leader (BW mould)

November 29th
LG-03 Tankor - DLX
LG-04 Roadbuster - VOY
LG-05 Whirl - VOY

December 27th
LG-06 Gelshark - VOY (Sky Byte)
LG-07 Jetfire - Leader

January 24th
LG-08 Swerve & Tailgate - Legends 2-pack
LG-09 Brainstorm - VOY