This is actually a story ahead of its time. Captain America can’t wear his costume because he’s upset about Bucky and can’t ride motorcycles any more because the last time he did it was with Bucky, and it brings back the memories of his death.
Seeking to “get over it,” he buys a bike, goes after a Wild-Bunch-ish gang, and beats the snot of them. Then, he’s happy and free again.
Yeah, it’s a simplistic approach to Post-Traumatic Stress Disorder, but it’s important to remember that PTSD didn’t even exist when this comic was made–it wasn’t a recognized disorder until years later. This was written when boys were coming back from Vietnam emotionally destroyed, and movies like Coming Home were considered groundbreaking.
And there’s a brief check in with Red Skull.
Creators: Stan Lee and Gene Colan