Non-Disney Vs DC Villains War
Dr. Sivana appears as one of CADMUS' associates in the war. Kent Mansley, also an associate, holds a meeting, where he informs the group, about the the severity of the situation, regarding about the crash of a "meteor", that it revealed to be an unusual and different type of supernatural power. Taking it to his regard, Dr. Sivana assembles a group of scientists, to deal with the situation. Suddenly, he is under attacked by Black Knight and the Rooters, who appear, with intentions to kill them. Dr. Sivana is helpless, as he is brutally murdered by the Rooters' elite warriors, the Metal Men.