At the end of its first season finale, The CW’s Legends Of Tomorrow shook up its time-traveling superheroes premise with the introduction of a second time machine crashing into the ground right in front of the main characters. A man stepped out and introduced himself as Rex Tyler—better known as the superhero Hourman—and the show officially dipped its toe into the world of DC’s first super-team, the Justice Society Of America. Hourman’s appearance seemed to suggest that season two of Legends would dive deeper into the JSA, and now a casting announcement further backs that up.