I loved this movie as a child, and I still do now! Michelle Pfeiffer had the coolest Catwoman costume ever! Each element in this artwork was drawn separately on paper with pencil, then put in this montage and colored digitally afterwards. 2009.
The pencil art for Batman: [link]
The pencil art for Catwoman: [link]
The pencil art for Penguin: [link]
The army of penguins: [link]