by nova
Thighs have screws.
Upper and Lower Torso are glued and can be split with the "Hammer Method" you can read on that in other posts here in GC.
Arms and lower legs/knees are held by pins...boil and pop should work well on their softer plastic.
Odds are best results will come from simply replacing Roadblock's hand with one that's not as open...reshaping with heat then cold might work.
I've yet to see a 25th Cobra Mortal yet....The parts really don't lend themselves to being chromed because they're so soft...