Taika Waititi, the director, if you know any of his work, yeah, he's just an incredible sort of comedic talent, a lot of heart in everything he does, but you know it's a very different Thor, it's a different Loki, I think there's a - we go off on another world that we haven't experienced before. I think tonally it's a big shift in a great way, more than anything we've seen before. Tom Hiddleston is obviously referring to the scene from 2012's The Avengers, where Hulk tossed Loki around like a rag doll, before delivering the infamous line, "Puny god." When Chris Hemsworth was asked about the movie, he teased that we will get to see a new world that hasn't been seen before, and "different" takes on both Thor and Loki. So, he's got a few chips on his shoulder, but it's fun, you'll see." "Lets not forget that its no secret that the Hulk shows up in Ragnarok, and the last time Loki and Hulk were in the same room didn't go very well for Loki. Here's what the actor had to say below, teasing an epic rematch between Hulk and Loki. The panel's moderator asked Tom Hiddleston what fans can expect from Thor: Ragnarok, and while he wouldn't delve into specifics, he did talk about Mark Ruffalo showing up as The Hulk. Thor and Thor: The Dark World co-star Tom Hiddleston appeared at the Wizard World Philadelphia convention, where part of their panel was posted on YouTube. During a convention appearance this weekend, star Chris Hemsworth explained more about the story, with Tom Hiddleston teasing what could be a show stopping scene that brings down the house. There have been plenty of rumors swirling around about the plot, although nothing has been confirmed by Marvel quite yet. And Tessa Thompson has been confirmed as Valkyrie. Last month, it was announced that Jeff Goldblum has come aboard to play The Grandmaster with Karl Urban portraying Skurge. Remember that awesome fight scene between Hulk and Loki in the first Avengers movie? Sounds like we're finally getting a rematch! With production set to begin on Thor: Ragnarok this summer, Marvel has already started beefing up the cast.