The LEGO DC The Batman theme was introduced in 2022 and it's sets are based on the film The Batman, a reboot of the Batman franchise.
LEGO DC Comics Super Heroes theme was part of the LEGO Super Heroes introduced in 2011 which featured both DC Comics and Marvel Comics with DC Comics sets launching first including nine sets in the first wave. Most of the sets and characters based on their comic counterparts although some have also been based on films.