Swamp Thing Infects The Flash, Legends Casts in Waterlogged Promos 

www.cbr.com -BY KELVIN CHILDS - Swamp Thing will make its debut on The CW this Tuesday with some help from The Flash and Legends of Tomorrow, which both tout the show in new promos.
Keywords: swamp thing, infects, the flash, legends casts, waterlogged, promos