Solomon Grundy

Solomon Grundy is best known as a Green Lantern villain, but he’s encountered several other DC superheroes, as well. He’s even had a couple of confrontations with The Batman, and they didn’t end favorably for him.

Like Man Bat and Clayface, Grundy would be another motion-capture role for Andy Serkis. He would be another secondary villain, but given his backstory, it would be fun as hell to see him on the big screen.

Additionally, Grundy shares a connection with the Swamp Thing. So Grundy’s presence in The Batman could also create Easter eggs that set up Justice League Dark.

So Matt Reeves needs to make it happen.