GIANT-SIZE INVADERS (1975) #1

In the darkest days of WWII, five superheroes—Captain America, Bucky, the Sub-Mariner, the Human Torch, and Toro—came together to battle the Hordes of Hitler! Giant-Size Invaders 1 recounts the origin of Captain America in a flashback scene as young scrawny Steve Rogers drinks Dr. Erskine’s Super Soldier Formula. Almost immediately after Rogers drinks the formula, Dr. Erskine is shot and killed by Nazi agent Kruger who had infiltrated the secret lab where the Super Soldier Formula had been developed. The origin of Master Man is also recounted.…