Really? Because Wendy and Lacey are MARRYING IT UP to the degree that were there to be a Batman/Middleman crossover, there would have to be a scene where they double-dated with Babs and Dinah.

Of course, the conversation on jerk ex-boyfriends would be awkward.

Wendy: My ex broke up with me, taped it, posted it on the Internet, and got a movie deal.

Barbara: My ex showed up at my doorstep after being brutalized and in clear need of help, so I kicked him out the next morning, leading to his eventual rape.

Wendy: ...

Dinah: Yeah, she's still a better S.O. than Ollie.