Tom Rhys Harries as Clayface. Image via Warner Bros. Pictures We're one movie and a TV show into James Gunn's new DC cinematic universe , and it's already miles better than the last one. Superman completely disavowed the grumbly grittiness that Zack Snyder's DC Extended Universe reveled in, which was a massive breath of fresh air — but not bathing everything in muted lighting and slow motion means the project can't go dark on occasion. Having the third movie in your big, ambitious cinematic universe be a visceral body horror starring a C-list Batman villain is exactly the kind of big swing I expected from Gunn when he first took the reins, and Clayface looks like a great time as long as you're not its protagonist. You may remember Clayface from the final boss fight of Arkham City , which was the last time he had any relevance in the past 20 years. This DC universe doesn't even have a Batman yet, but I have faith that it'll avoid the pitfalls of Sony's Spider-Man-less Spider-Man movies .…