Today in Comics History, May 5, 1945: Now is the Winter Soldier of our discontent

Following his near-death in the rocket explosion that put Captain America on ice, Bucky's comatose body is retrieved and arrives in the Soviet Union.


from Captain America (2005 series) #11 (Marvel, November 2005), script by Ed Brubaker, pencils and inks by Steve Epting, additional inks by Mike Perkins, colors by Frank D'Armata, letters by Randolph Gentile
This right fits in with Mark Gruenwald's suggested canon that Baron Zemo's rocket launch and Captain America's disappearence happened on May 2, 1945. (As seen here.)


from Captain America (1968 series) #332 (Marvel, August 1987), script by Mark Gruenwald, pencils by Tom Morgan, inks by Bob McLeod, colors by Ken Feduniewicz, letters by Diana Albers