VIDEO : Why Aren't Legends of Tomorrow Heroes In Arrowverse Crossover?

Screenrant reports DC's Legends of Tomorrow won't be involved in the Arrowverse crossover 'Elseworlds.'

The Legends played a key role in the previous crossover 'Invasion!,' fighting off the Dominators.

This year, characters from Supergirl, Arrow, and The Flash will work together to face a new threat together.

The episode will welcome back Superman, Lois Lane, and John Wesley Shipp as The Flash.

'DC's Legends of Tomorrow' airs Monday, December 10th @ 9 PM on The CW.