LEGO DC Comics Super Heroes Constraction theme, also known as Ultrabuilds, are are constructable action figures based on a ball-and-socket building system that use TECHNIC parts. Three DC Constraction sets have been released to date based on Batman, The Joker, and strangely, Green Lantern and were some of the original theme's sets. The Constraction figures utilize different color schemes than their respective minifigures, and also have different weapons.
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.