Stephen and the Book of Vishanti Suddenly Vanish

The Avengers plan was indeed necessary: to establish a government-managed superhuman team. It could both restrain dangerous individuals within the system, greatly reducing the harm they could cause, and use that power to fight other dangerous individuals. Not to mention fighting Asgardians. An ordinary Asgardian coming to Earth would be practically Superman. With three times the muscle, blood, and bone density of an Earthling, the strength and other attributes they could unleash would lead to an utterly one-sided outcome.