Rocky was brought to life through a combination of puppetry and visual effects. But his charming personality was the result of a misunderstanding.

"We all knew that this movie lives and dies on our portrayal of Rocky," the author tells PEOPLE ...

The MCU has introduced some incredibly powerful characters into movie continuity so stealthily that only comic fans who already know their names and designs even realize they're there. And we're not ...

I've learned so much.