HOLLYWOOD — Deluxe’s Encore (www.encorepost.com) recently completed visual effects for a crossover episode of Legends of Tomorrow on The CW. Episode 207 is titled Invasion! and pits the legends — along with The Flash and Supergirl — against aliens bent on annihilating Earth. Armen Kevorkian supervises VFX for the series. This breakdown video shows how the extraterrestrial showdown was brought to life: