Having grown up among deadly assassins, Peter wasn't sure what to do when he finds himself back on Earth. All he wanted to do was try to get back to them. Sounds simple and easy, right? He thought so, until he finds himself in the care of the Avengers, in which causes him to reevaluate his past and help stop a sinister plan from happening, from friend and foe alike.

The Avengers rescue and take in a young boy. All they had to do was find out who he is and get him home safe and sound. Sounds easy, right? Not when they start to unravel secrets of his past, escalating into an investigation that can change the course of their lives forever.

As the son of Captain America, Jack knows that being his child and hiding all at once isn't easy. So what will he do when he gets caught in a war from another world? It's up to Jack and his friends to help save Earth from an evil force yet to come, and maybe all the Nine Realms as well.

An ancient evil is threatening the galaxy, one that even the military can't handle. The Avengers, their legacy, the Autobots, and NEST must race against time to stop the coming chaos that would consume the planet. If they succeed, all will stand. But if they fail, their world will fall...and Unicron will rise.