Based off the seige comic event where the Tunderbolts led by Red Hulk invade asguard
Zeus sends Hercules and a bunch of magic hammers to earth that turn whoever touches them into evil Thors (Like Fear Itself)
President Hulk leads the Thunderbolts to take revenge on New Asguard
Hercules switches sides and ends up helping Thor Connections
Continues the story started in Cap: Brave New World