Originally Posted by The Batlord

Good luck, but I doubt you'll be able to find anything like that. I've found a website that allows you to read The Killing Joke (in English), but other than that you'll have to download. And 99.9% of downloads are in English. I think you're just gonna have to bite the bullet and starting reading 'Murican.

I've found Spanish translations of certain comics on Pastebin.com, so that might help you, but I kind of doubt it. It's probably just the one guy posting Spanish translations.