One way to fix a stripped screw is to hammer the face of the screw, but in minifigures that's kind of hard... unless you can find a way to do it.
In my opinion all I collect besides Hot toys, and a few figures are die cast action figures which are all Saint Seiya. Die cast is the best thing ever, plastic feels cheap and the paint on diecast lasts way longer than plastic. This figure feels perfect, not too heavy nor too light, If it's too heavy over time the figure's ankles will give out over the weight and no matter what you do it will be impossible to stand it up with out a stand. But so far it's holding up great, although my ankles did come a bit too loose, this figure is excellent I love it, too bad you don't see it in the movie, but I always did love War Machine!!!
Bandai's saint seiya myth cloth line at first was tank like die cast armor, over time figures with too much armor was too much for the poor ankles, over time they got smart and developed lightweight diecast allow that feels light and it's more malleable for figures, this what this figure resembles and I like it!!! call me crazy but it's bat **** cold outside, and you touch diecast, they feel soo cold lol..