By Bree Nguyen, Media Partnerships – Entertainment

The trailer for “DC’s Legends of Tomorrow” premiered on Facebook before ComicCon, with help from its superhero cast.

Stephen Amell, Brandon Routh, Candice Patton, Ruth Connell, and Katie Cassidy used Facebook Mentions to share the trailer, which quickly racked up 2 million views and nearly 50,000 shares.

The CW also utilized its large built-in fanbase to spread awareness for the clip, posting it across the official Pages for DC’s Legends of Tomorrow, The Flash, and Arrow. The DC’s Legends of Tomorrow Page jumped by 22,000 fans during the trailer release, and earned 51,000 new fans in total.

DC’s Legends of Tomorrow star, Brandon Routh:

Candice Patton of The Flash:

Ruth Connell of Supernatural:

Katie Cassidy of Arrow:

DC’s Legends of Tomorrow premieres on the CW next year.