'Wayward Pines' season 2 spoilers, news: Tim Griffin teases big twists, Adam Hassler's return as abbies expert

Twelve years after he set out for a mission, Tim Griffin's Adam Hassler finally makes his return to "Wayward Pines," but he is, in many ways, a changed man. The last time that other "Wayward Pines" characters saw of him was in the video 10 years ago in the story, and they had no idea then if he was still alive or even where he was.

In an interview with iDigitalTimes, Griffin said that it is all different now for Hassler. It was the founder and creator of Wayward Pines who had sent him out, and no one knows what happened to him all this time.

"The last you see me was episode 9 when they see a video that Hassler has sent back. They realize he's been out exploring the world trying to make contact and see what's left of humanity." Tim Griffin shared. "It's not gone so well ... Here it is 12 years later and I make my return."

He looks like a totally different person, nothing at all like the Hassler from season 1.

"I'm completely changed. I've gone mountain man like Leo DiCaprio in 'The Revenant.' I haven't made contact with anyone in 12 years. It's a total mind trip. What's really fun is we shoot flashbacks so you can see what I look like back when I'm the head of the Secret Service--very clean cut and by the book."

Griffin also explained that his return was one of the things which had been planned for the season 1 finale, as executive producer M. Night Shyamalan had told him. He added that there had been multiple rewrites for the episode but that, in the end, there was just so much left to tell that his return just did not happen. In season 2, however, things are more exciting.

"Basically everything they promised me in Season 1 is happening in Season 2. I was sort of set up for it, but I was completely unprepared for how extreme the change would be."

Griffin teased that there are lots of big twists coming up. One thing for sure is that he will be the expert on the flesh-devouring abbies, as he is probably the only person ever to have survived being in the outside world. But his survival comes at the price of some psychological effects he may have suffered after fighting hard to survive in the world after a dozen years.

Meanwhile, Griffin is not the only one making a comeback on the show. Josh Helman will also be making his appearance in the upcoming episode as Xander Beck who had been trapped outside the fence after episode 1 this season. He will also bring in information regarding the abbies who, as teased in the trailer, are the humans' replacements.

"Wayward Pines" will return with episode 4, "Exit Strategy," on Fox Network this Wednesday, June 15 at 9 p.m.