Cloud manages to kill the T-rex at the cost of both his and Pooch's lives. In the 1950s, World War II has ended, and the world has entered the Atomic Age. McCarthyism and anti-Communist attitudes has led to vigilantism becoming outlawed; the Justice Society of America disband, and various superheroes are either retired, arrested, or, in the case of the more supernatural heroes, simply left Earth. Government sanctioned heroes such as Superman and Wonder Woman continue to operate while other vigilantes, such as Batman and Hourman, evade arrest. Hourman is eventually captured while Batman and Superman stage a fight that would allow the former to continue to operate without interference from the government. Hours after the end of the Korean War, fighter pilots Hal Jordan and Kyle "Ace" Morgan clash with North Korean forces unaware of the war's end. Encountering a soldier, Hal is forced to kill him in self-defense, and his traumatized reaction to the ordeal gets him marked as a coward by his peers. Meanwhile, in the early years of the Vietnam War, Superman meets with Wonder Woman, who has rescued a village of women kept in slavery by the Viet Cong, and confronts her about her violent actions while Wonder Woman is incredulous about Superman's idealism. In 1955, Martian J'onn J'onzz is accidentally transported to Earth by scientist Dr. Erdel, who suffers a fatal heart attack upon seeing the alien. Using his telepathic and shapeshifting abilities, J'onzz takes the identity of Gotham City Detective John Jones, living as an honest cop while studying humanity's present knowledge of Martians. In 1956, Barry Allen is struck by lightning and splashed with chemicals which grant him super speed, turning him into the superhero known as The Flash. In 1957, Jones and Slam Bradley stop a cult from sacrificing a young boy with help from Batman. Intrigued by the book the cult had been using, Jones confiscates it as evidence. After a boxing match between Ted Grant and Cassius Clay, Captain Cold attempts to rob the casino the afterparty is held in. The Flash arrives to apprehend Cold. Shortly after, Ace tells Hal about a job offer from Ferris Aircraft, which Hal accepts. During his job interview with Carol Ferris, the two begin a relationship. Later, Ace, Matthew Ryan, Leslie "Rocky" Davis and Walter Mark "Prof" Haley survive a devastating plane crash, and are inspired by their survival to form the