The fourth of four Amazon exclusives revealed at SDCC is the Studio Series 15th anniversary Decepticon pack (to go with the Autobot pack from a year ago).
https://amzn.asia/d/2wMwsrk
This one is $208, for November 1st.

The Autobot pack apparently had some minor deco differences to the original releases, so these ones might as well.

Unlike the Autobot pack which had all 5 movie toys in it, this one only has 4 of the 2007 movie toys in it, with Bonecrusher missing. I guess with a Leader class toy in the box (Blackout), Hasbro couldn't fit a 5th toy in it, or wanted to keep it below a certain US price point.

The Autobot pack with rough RRPs to compare:
VOY Ironhide - $50
VOY Optimus - $50
DLX Bumblebee - $30
DLX Jazz - $30
DLX Ratchet - $30

The Decepticon pack:
LDR Blackout - $100
VOY Megatron - $50
VOY Starscream - $50
DLX Barricade - $30
That makes about $230 originally, which means the Anniversary pack is actually decent value, saving about $20.