"You're in The City now," Thor explained. "It is a sort of pocket dimension that disguises itself as an Earth city. Stay here and rest. I will retrieve your bike."
He meant it. Thor went back the balcony and hefted the hammer in his hand easily before flying off. It took minutes for him to return with the motorcycle in his arms, and set it back on the balcony for safe keeping. The hammer was set back down and the red cape vanished with it, leaving his Asgardian clothing instead.
He didn't touch Barbara's things. He stood in the doorway out of the washroom. "Check your belongings. When people are brought here, The City provides them with a dwelling."