What If: Captain America #1

Synopsis

Young Union soldier, Stephen Rogers, reports to his new commander, Buck Barnes. Full of ideal notions about what his side is fighting for, Rogers is appalled when he discovers Buck and his Redlegs Regiment is using the Civil War as an opportunity to kill, steal and destroy for their own personal gain. As Stephen tries to save some village children from his own troops, he is badly wounded. He wakes up under the care of Private Wilson who uses Indian magic to imbue Rogers with the power of Captain America. This same power turns Buck into the White Skull and a powerful rivalry is born.