File:Avengers Vol 1 56 001.jpg

Description
The Avengers rendezvous with Captain America at Dr. Doom's castle in the Adirondacks, where he requests their aid in using Doom's time machine to travel back to World War II to witness the death of his partner, Bucky. While the Wasp remains behind to work the controls, the four male Avengers find themselves invisible phantoms at the Allied base which was the site of Cap's 1945 battle with Zemo. As they watch. Zemo and his giant humanoid aide defeat the Cap and Bucky of that earlier era and bind them to the drone plane Zemo had come to steal. Then, as the Wasp is inexplicably overcome by sleep in the present, the Avengers physically materialize in the past Now able to act, the four heroes battle Zemo and a duo of giant humanoids. then free the Cap and Bucky of the past before fading again into phantom form. Then, agonizingly, Cap of the present watches as he and Bucky attempt to stop the takeoff of the drone plane, which explodes, killing Bucky and hurling Cap into the icy sea. Returned to the present. Captain America comes to terms with his boy partner's death at last.