Your blood might help, or it might not. I need to understand exactly what changes in your cellular structure when you transform. It could lead to a cure. If someone manages to create more Hulks, that could be the only way to stop them.

[He's taking a step back now, and his voice softens slightly. He's sympathetic to Banner's circumstances, but he's not taking no for an answer.]

You've managed controlled transformations before, Dr. Banner. You saved Tony Stark's life. You must be able to gain enough control for this.