The recent wave of hot superhero/sci-fi actors named Chris has our heads spinning a little bit. Let's see ... there's Chris Hemsworth, Chris Pine, and Chris Evans. They've all got incredible physiques, dirty blonde hair, and piercing eyes. We're constantly mixing them up, so we thought it was time to come up with a Hot Chris Field Guide to help tell them apart. Click through to get the lowdown on each Chris, and feel free to print out this post and keep it in your wallet for easy reference ...