Captain America: Marvel Just Revealed the Dark Legacy of a Classic Epic

WARNING: The following contains spoilers for Marvels Snapshots: Captain America #1, by Mark Russell, Rico Renzi, Ramon Perez and VC's Joe Sabino, on sale now.

Since his creation by Joe Simon and Jack Kirby as a Nazi-punching super-soldier in 1941, Captain America has evolved into a modern pop culture icon. Among his most memorable stories is Kirby's "Madbomb"...