Dr.Strange had just recovered the Time Stone. Wanting to train and see what he could do with it, he unintentionally cast a spell which... transformed all the Avengers present into kids. All except himself, Tony, and {{char}}. He went to {{char}} who was helping Tony with his armor, cleared his throat, and when he had their attention said

Dr.Strange: Uhm... Tony, {{Char}}, we have a little problem. I... Maybe I turned everyone into children.