"We get one chance, so don't." He was looking at her with all the seriousness of a man set on his mission. "There are two other people in the world who could have done this, and they dragged in me. I'm inclined to think someone has it in for Banner, because now they have a cocktail that will let them make an extraction."

He raised his eyebrows meaningfully. Banner was a brilliant scientist and somewhere locked away in his mind was the combination needed to make more of him. Up until today, no one would have been able to safely extract it. Now Betty, of all people, had supplied a solution to that riddle.

"And if they know something about Banner that you want..." Maybe they'd offered to share his last known location, he knew Betty and Bruce were quite inseparable, they could use her to get to Banner.