Ant-Man is a very mischievous super-hero. So it's up to Cassie to tell her dad to GROW UP! Watch as Ant-Man shows you just how big he can grow. Can Ant-Man grow bigger than the Hulk? Can Ant-Man grow bigger than the Avengers Tower? But what happens when Ant-Man grows TOO BIG?! Told using playful repetition, this story will have parents and children alike saying "Grow Up, Ant-Man!"