Strange found Loki from the past.
More precisely, he was Loki before he had ever crossed paths with Earth's superheroes—the insignificant tagalong and little nuisance in Thor's team.
Loki was in an awkward position during this period. When he and Thor had been younger, neither of them had anything serious to do. They spent every day cockfighting and fooling around, and people would at most say that children had too much energy. No one paid much attention to their pranks.
But as they grew older and moved out of adolescence toward adulthood, the gap in their physical abilities widened more and more. Especially after undergoing Asgard's royal education, most instructors could only shake their heads and sigh at Loki.
Thor, meanwhile, began to distinguish himself during this period and won unanimous praise. Before long, he had carved out a place for himself in Asgard's army and soon gathered a small group of his own.
Since they were brothers, Thor naturally brought Loki along. But at that time, Loki was of little use on the front lines. He risked dragging everyone down, had an awkward personality and a venomous tongue, did not fit Asgard's traditional aesthetic, and got along poorly with the others in the group.
As the war continued to expand, Thor grew busier and busier. Yet this was also Loki's loneliest time. Sometimes Thor became so busy that he could not spare him any attention, so Loki tried every possible way to make his presence felt in front of Thor. At times, he even caused Thor quite a bit of trouble, making the others dislike him more and more.
Strange had gone looking for him partly to dig a pit for Schiller in advance. Loki was also one of Schiller's earlier patients. Schiller had invested tremendous effort in him,