I haven't actually seen the cross-over yet, but I have to be honest here, that line was painfully obnoxious in the trailers. It just felt so painfully on-the nose and forced, and it doesn't even make sense that Felicity would say something like that. Is she suddenly aware that they're all in a TV show based on comic books?
Thats the problem with the humor in these shows in general. A lot of the humor revolves around awkward characters making some awkward in-jokes and pop-culture references that are going to be dated in a few years. For God's sake, the very first episode of
Arrow
had Tommy mentioning
Twilight,
despite the fact that said reference was already becoming dated back then.

I was thinking 12 but close enough

Your obvious insecurities are bothered by my exuberant reaction to something I personally found was entertaining. In the words of Iris, "Sorry/not sorry."
Rick
Failure is not an option

Are you 8 years old?