How to Train Your Dragon was not only a great and highly entertaining film that did huge worldwide box office numbers, but it was one of the best uses of 3D that I’ve seen in the cinema.  Needless to day, I was excited to see the sequel, How to Train Your Dragon 2, and it did not disappoint.  Five years have passed since the heroic young Viking Hiccup (Jay Baruchel) befriended a dragon named Toothless that led the residents of Berk to live side-by-side in peace with the fire-breathers.  Hiccup now has the respect of his father, Stoick the Vast (Gerard Butler), the love of his girlfriend Astrid (America Ferrera) and has discovered his long-lost mother (Cate Blanchett), but the power-hungry Drago Bludvist (Djimon Hounsou) is threatening everything.

At the recent L.A. press day, Collider had the opportunity to chat with Gerard Butler and Craig Ferguson, who are both clearly friends, as well as co-stars.  During the very playful interview (they kept teasing me about the skulls all over my sweater), they talked about when they learned the first film was going to be such a huge worldwide hit, how special it is to be a part of this franchise, how things were different the second time around, and how much the film changed over the course of making it.  Gerard Butler also talked about what can be expected from the Olympus Has Fallen sequel, London Has Fallen, and how all of the characters end up back together.  Watch the video after the jump.

Gerard Butler and Craig Ferguson: 

• When did they learn the first film was going to be such a huge hit, around the world?
• How did making the second film feel different from the first one?
• How much did the film change, from what they were first told to what we see now?
• What can be expected from Olympus Has Fallen sequel London Has Fallen?