Yeah, I have to imagine that without getting the reference that line would be completely incomprehensible. Kind of amusing to picture a superhero fighting crime with an ordinary slingshot, though - could be an interesting visual for a sidekick or something.
How about that extra? You know, the one with the eggplant-shaped jaw there? I'm sure there's nothing remarkable about any of the other extras in this page at all. Not a bit.
Ya wanna know something sad? That David And Goliath reference in the last panel? I didn't get it the entire time I was working on this page, I was just thinking "Huh. What a weird thing to say." It wasn't until I was drawing the next page that I got the joke.
Ah, well. Starchild! Woo! We were so looking forward to this page, just counting down the big debut to seeing her, and here she is. ^^
Beyond that, I like the expressions in his page. I love Alex doing the Kubrick Stare when he enters the bank as Starchild and Paul's deadpan look as he throws the bag of loot over his shoulder.
How about that extra? You know, the one with the eggplant-shaped jaw there? I'm sure there's nothing remarkable about any of the other extras in this page at all. Not a bit.