I saw it exactly as Xeno described.
My issue with the whole thing is that Thor was prepared to squash a human into forest-kill. He couldn't have known the shield could absorb his blow (from Mjolnir no less).
I know they did it for the effect but considering his 'maturing' in Thor to me it was out of place.
Back on topic, like I said, I saw it exactly as Xeno described