Worlds Collide: The Blue Streak and the Scarlet Speedster

After a Kraang teleportation experiment goes haywire in the NYC sewers, Leonardo is ripped from his dimension and thrown into the heart of Central City. Stranded in a world of advanced science and meta-humans, Leo must navigate an unfamiliar city and earn the trust of Team Flash and Team Arrow. Taking place in the peaceful aftermath of Team Flash's brutal victories over Reverse-Flash, Zoom, and Savitar, this crossover forces the multiverse's greatest heroes to unite when a strange, dual-dimension threat threatens both of their realities.