With rumours now rife that a teaser trailer for The Man of Steel will appear along with prints of The Dark Knight Rises this week, director Zac Snyder has confirmed that they will show some footage at this weekend's Comic Con in San Diego. More interestingly, while speaking to Dotted Line, he chatted about lead Henry Cavill's casting...

"We had about 500 guys initially. We did this massive auditioning madness. It got down to the usual suspects in a pretty quick order. Henry Cavill was actually the first one we physically tested on film. We actually tested him in the Christopher Reeves Superman suit. And that was a big deal. That’s a hard suit to pull off. Trust me. If you’re just standing there in that suit, it’s dodgy. It felt like we just bought it a costume shop. Plus, there’s no mask. I’ve been around a few superhero costumes, and it’s weird because when you’re in the Superman costume it’s just you from the neck up. And somebody just combed your hair. But Henry came out of the trailer when we were shooting a test and everybody thought, ‘Okay, that’s Superman.’ He was awesome and did a great job."

We'll get to see Cavill in the trailer (which apparently runs at a slight 87 seconds long) very soon. We'll also have word from Comic Con about how footage is going down.