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!" This book also includes your very own growth chart printed on the inside of the book jacket! Complete your Marvel picture book collection with these best-selling fan favorites: Spider-Man: Far From Home: Spider-Man Swings Through Europe! Captain Marvel: Beware the Flerken! Captain Marvel: What Makes a Hero Night Night, Groot First Day of Groot! Snow Day for Groot! Spider-Man, Spider-Man!