its evident that he is really twisted. as for being superman, we don't know all the details do we?
i like the fire extinguisher idea. what type is the most effective for blinding? dry chemical?
about the will to fight: i think perhaps the toughest question is trying to weigh up the potentially worse consequences of between fighting and just giving in. i have heard the 'just give them what they want' advice probably a hundred times vis-a-vis muggings and robberies. being stabbed is not worth a few hundred dollars. i think this must have been in their minds, but then things then escalated...