We’re warning you now: Some of what you read below could be considered spoilers for Iron Man 3, so read on at your own risk. Got it? Good. Although you may have guessed from the title, those of you who are super psyched about Guy Pearce’s role in the film might be a little disappointed; the actor has described it as “cameo stuff”.

While Pearce has been confirmed to play the scientist Aldrich Killian in the upcoming superhero sequel, which is being directed by Shane Black, according to Pearce his role is really little more than a cameo, dashing the hopes and dreams of fans everywhere… well, maybe that’s a little drastic, but some of you might be a little disappointed.

Vulture recently spoke to Pearce about his part in the blockbuster, and responding to a question about how being a part of blockbusters now was different than when he starred in The Time Machine back in 2002 he said that the key thing is the size of role.

“The main difference was that, when I did The Time Machine, I was pretty much in all of it, so it was a really gruelling experience. Prometheus and Iron Man are really kind of cameo stuff, so the experience of shooting them … I mean, on some level, it’s tricky because you feel like a bit of an outsider. You don’t really live the experience that you do when you’re there all day every day with everybody. But at the same time, it can be more fun sometimes because you’re just working in concentrated spurts.”

We already know that Iron Man 3 will be based on the comic book arc “Extremis”, and from that, we could have deduced Killian’s part would be quite small: in fact, (spoiler) the character is actually never seen alive and is only introduced after committing suicide. According to CinemaBlend, in the story the character is a geneticist who helps develop a version of the super solider serum called Extremis, and then steals and sells the formula to a terrorist organization. Unable to deal with the guilt, he decides to take his own life while sitting at his computer, leaving a note with a full confession.

Here’s what director Shane Black and star Robert Downey Jr. had to say about the film earlier this year at Comic-Con.

Iron Man 3 will be in theaters on May 3, 2013.

Are you excited about Iron Man 3?