Legends of the Dark Knight — DC Comics
Issue: #63
"Elements of Crime" part 1 of 3! Batman and Robin think they're facing an old foe at the Gotham Science Museum, but has someone else has discovered the Element King's alchemical secrets?
Creators: Kristy Quinn, Saida Temofonte, Jessica Chen, Mike W. Barr, Thomas Mason, Tom Lyle, Sébastien Lamirand, Hank Kanalz