If his mask could narrow its eyes, that's what it'd be doing right now. The slight shift of his body language gives it away, unable to understand why and how Junkrat can be this chipper and indifferent to his position (at least in the eyes of the Legion). Either something's wrong, or someone higher up gave him amnesty for his crimes. Could be both.

He doesn't even react to the pat, his body jostling stiffly at the effort. On any other given day, he would've punched him square in the jaw.

"Not any of your concern," he replies gruffly, but it probably won't be long before the junker realizes most of them weren't here out of solidarity for the cause. "Funny that they let you roam around freely."