How the Batman 2 Could Continue a Gradual Tone Correction for the Franchise

Ever since Batman & Robin faced off against Mr. Freeze and Poison Ivy back in 1997, there has been a strict embargo on fun live-action adaptations of the classic DC superhero. The scale had tipped too far into silliness, and fun has been forbidden in the Batman franchise for twenty-five years now. While there is no sign of a fun Batman being released from the Warner Bros. jail of ideas (outside of animation and LEGO adaptations), some fans have caught on to a few subtle fun cues that may have slipped by executives in this most recent film adaptation.