Is it worth repainting the extra plot if you have seen the theatrical version? Perhaps this short article without spoilers can be used for reference.
As we all know, this director's cut version is half an hour longer than the theatrical version, reaching more than three hours. In the first hour, the undercurrent was surging, and Luther's various tricks to provoke both sides; in the middle, the conflict escalated, robbing stones, future dreams, Ryan's investigation, and document decryption; in the last hour, the conflict broke out in an all-round way, until the end, the devil descended, Ding ding ding...
The half-hour supplementary content is mostly sprinkled into the first two hours of content, mostly foreshadowing literary dramas, such as focusing on some details of the causes and consequences of Superman's frame-up, Superman as a reporter to investigate the dialogue of Batman , the public opinion's attitude towards Superman, and more scenes of the congressman visiting Luthor, as the theatrical version, the content of the last hour is basically kept intact, except for the funeral that adds length at the end and the flash of the sequel clue Steppenwolf.
In the first two hours of the whole film, there are some changes in the editing sequence along with the supplementary shots: Superman investigates Batman line, Ryan investigates Luthor conspiracy line, Batman's inner struggle line, through some additional shots, character direction, dialogue makes These three clues are clearer than the narrative in the theater version. They unfolded in parallel in the first hour, gradually converged in the second hour, and converged and erupted in the last hour, finally smashing the doomsday. If the theatrical version was long and criticized a lot, the narrative of this version should be better. The screenshot below is an example of the African case that framed Superman and led to Lane's investigation shortly after the opening.