Batman is a subtheme of Duplo that consists of 6 sets that ran from 2014 to 2020. Most sets were released in 2014 which accounted for 2 sets. As of today, the average annual growth of sets in Duplo Batman is approximately 4.3% per year.
The LEGO Duplo Batman theme is a subset of the LEGO Duplo line that centers around the character Batman and elements from his universe. These sets, designed for younger children, include larger, child-friendly pieces that represent Batman, his allies, adversaries, and associated vehicles and locales. The theme offers a simplified introduction to the world of Batman.