Yeah I'm afraid were gonna need more info on that thunderwing. Got an energon megatron sitting around doing nothing...
Noticing you have the arms pulled down on your TR Chromedome there. If you take the back apart and flip the "Q" joints upside down, the detents hold his shoulders perfectly level Also, this is a great use of that mold!
Tamiya TS-52 candy lime green and Tamiya TS-24 Purple. I have that one but it's terrible in person and only deluxe sized, unlike the original Cyber Battalion Megatron.