Honestly, the Soldier has no idea how it works. It was just patched up, slung into cryo, and came back out again whole. It's possible that regular freezing won't do it, too, and it'll just die for good, but one never knows until one tries. (And it's not like it's not already dead, anyway.)

"Recalibration." It lifts the metal hand to tap at one temple with a finger. The arm plates reconfigure again, this time with a stuttering sound, before it clarifies, voice a little harder: "Fucking brain scrambling."