Something happens to Tony that causes him to revert back to a kid's age. Jarvis contacts the others hoping they can help him.

BOOK 1 OF HAIL HYDRA The great Captain America was suddenly brainwashed by the Hydras. Since he can't remember anything, he soon became Captain Hydra. Only he remembered Bucky and Tony, so he ordered his members to go find them and create a new beggining.