Previous Post Quote: Bucky wasn't just carted off in that issue, he was tied to a missile by Zemo with the blessings of Rogers for having killed Zemo Snr, and the final page of that issue shows the missile exploding over the ocean with Bucky clearly still attached to it. Kobik. Problem solved.

Almost definitely, although spencer hasn't even confirmed that's the case, and knowing him he probably wont - he'll probably just continue to treat his readers as stupid enough not to notice, just like everything else that makes no sense in this story.