This comes to us from the Marvel website. Looks like the PSP will be the first to get portable comics. They are going to have classic and select comics available for download and reading on your PSP with a program that will make it easier to read. Here's and excerpt and check out the full article here.
Today at gamescom in Cologne, Germany, Sony Computer Entertainment Europe announced the digital reader for PSPTM (PlayStation®Portable), a new service that will allow PSP owners to access a range of media on their PSP. The digital reader service will be launched with Digital Comics this December, putting PSP owners in control of a huge library of Digital Comics from several provider partners including—you guessed it, Marvel!
So this is great news. And while its not exactly what I would like to see its definitely a step in the right direction. If this is a success on the PSP hopefully other people will pic it up and we can have comics on our Kindle's or the rumored Apple IPad. Good work Sony.