And that would be the plastic tip of one of Kara's shoelaces briefly catching on fire before she flicks off her heat vision and blows it out. Awkward, that.

"Security," she says, calmly, flattening the ruined plastic between her fingers, "Are one of the biggest groups of bureaucratic, short sighted, inept and generally unfit idiots to ever put on shiny pretty badges and call themselves official. In my humble opinion."