Here's why Tyler Hoechlin's Superman might die during Supergirl's next season. 1 / 7
Superman was introduced during Supergirl's second season and proved to be a hit with fans. 2 / 7
Superman only makes occasional guest appearances on the show, however. 3 / 7
The Flash season 5 finale recently confirmed Crisis On Infinite Earths is the next Arrowverse crossover. 4 / 7
A number of major heroes died during this comic event, including Barry Allen's Flash and Supergirl. 5 / 7
There's a good chance Superman will die during the Arrowverse version instead of Supergirl. 6 / 7
Crisis will be a game-changing event, and Superman's death would emphasise this. 7 / 7