"How'd they do that? Mechanical or otherwise?" Bruce spares a glance towards the man's back as if he might see where the bombs were placed. Only Tony, who else would fix something with explosives?
"...it's ok, it's just..." Bruce lowers his voice a bit as if they might be being listened to. "None of the Avengers know that. It's not like a constant voice, it's sort of..." How would he describe it?
"Like getting an idea that I know isn't exactly mine now and again." Ok, now he's uncomfortable just thinking about it.
"I'll see what I can come up with for the injection system." He has a few ideas off the bat.