"Don't try any hero stuff and don't call the cops after we leave," warned the swarthy gunman.

That's why he staged the hero stuff.

He is shown putting on the costume, mentioning that, as the world cannot look up to certain people, the "hero stuff" is up to him.

I guess that's dumb, but that's what he looked like-like he had hero stuff in him.

"I really don't like talking about this hero stuff."

You're too slick for the hero stuff.

Gives you a chance to do the hero stuff, eh?

Lay off the hero stuff, pin them to the pages of your notebook as if they were insects in your biology class.

Aside from that the emphasis will be on heroism, true blue hero stuff.