Yeah, it would be great, plus Derek is in Gotham too, if I remember right. It would also be cool to have the more serious Duke (with rather "under-average" powers compared to most big time meta heroes) teaming with Sideways and his crazy powers (plus Gotham Girl, hopefully?).
Also, we finally know what will be in the TPB for B&S : the mini plus all the All-Star back-ups. https://www.dccomics.com/graphic-nov...and-the-signal