Justice League of America, Vol. 1

As the Lord of Time waits in the present for the anti-matter bubble to land on Earth in 1878, Superman struggles to find a way to free himself from the Kryptonite that surrounds him. In 1878, each of the time lost heroes, along with the Old West friends, makes their way to the town of Desecration where they find the four watchers, sent by the Lord of Time to keep an eye on them, are robots. Following the robots, they find themselves at the Grand Canyon as the anti-matter bubble approaches and instinctively use their powers to prevent it crashing to Earth. The heroes vanish and return to the present to find Superman had overcome the Lord of Time and helped them make their way back.