Deathstroke Confirmed for The CW's 'Flash,' 'Supergirl,' 'Arrow' & 'Legends' Mega-Crossover

The CW has been building its DC superhero roster since 2012, and later this month it'll all come to fruition with a four-night crossover. The worlds of Supergirl, The Flash, Arrow and Legends of Tomorrow will collide (again, for some) starting Nov. 28 in a group effort to handle an assault by extraterrestrials called the Dominators. Deathstroke's in the mix for the arc, titled Heroes vs. Aliens, too. 

“It really does feel like, in the middle of the season, a three-hour movie," producer Greg Berlanti told Entertainment Weekly in October. Check out a teaser below; Deathstroke's only-blink-if-you're-cool-with-missing-it appearance is at the 16-second mark: