"I don't think he's as much of a liar as an adult," Steve told him but he wasn't going to argue with a child about whether his brother told the truth. He trusted Thor as he was now; he seemed like he knew what he was talking about.

They didn't want him hurt either. It was part of the reason Steve was playing baby-sitter; it was a reasonable assumption that Captain America wasn't going to hurt a child, no matter how he was when he was older.

"Yes, I know him," Steve agreed with a nod. "We've fought together."