I'm leaning towards probably selling TWS Falcon and picking up the CW one. The wings really aren't a big deal to me because I unfortunately don't have the space to display either version with the wings deployed, anyway. The only issue is a highly doubt there's a market at the moment for TWS Falcon.
The CW Falcon figure to me looks especially boss in this picture, and this is probably how I'd pose him if I get him:
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Bucky for me is an easier decision. I have TWS version, but to me, he was Winter Soldier in that film and not Bucky. I consider him more of a villain in that line. Therefore, to be in full WS mode, I have the masked sculpt on that one.
I like the sculpt on the CW version and I also like the jacket. Plus, he's Cap's main buddy so it wouldn't feel right to not have them together as a pair. Bucky for me is a definite grab down the road, without selling TWS version, and Falcon is one or the other. I like the prospect of having that trio though from CW (Cap, Bucky and Falcon).