UPDATE: An update to this story, putting these rumours in context, can be found here. The original story runs below.
We told you this morning about plans for the cast to Flash to guest-star in Supergirl in May.
Well, from the same Thanksgiving source, comes the word that the upcoming DC's Legends Of Tomorrow TV show is planning to radically switch casts and missions each season. As a model. it's being compared to Justice League Unlimited cartoon.
Which means it is planned for Matt Ryan's John Constantine to appear as a series regular in 2017's season two.
The show is also looking to cast Steven R McQueen, who plays Jeremy Gilbert in The Vampire Diaries as another new hero during season two as well.