Bucky gets murdered both rounds. H2H he is much more on the level of a standard Predator, which got wreaked by the upgraded Predator. Give him full gear and Cap to help, and maybe they have a chance, but I would still go with the Predator more often than not.
@abezethibou: @stewartg: @g2_: @abezethibou: Since when the Predator is above all supersoldiers? Bucky survived a fall from a mountain even if the side effects of the Super-Soldier Serum wasn't complete yet & has endured hits from Mark 46 Iron man while his bionic arm alone should be able to hurt the Predator!