X-Men comics question!?

I want to read an X-men comic (small series called Origin) a href="http://marvel.wikia.com/Origin/Covers" rel="nofollow"http://marvel.wikia.com/Origin/Covers/a this is the only info I can find on them and I need to know if I can read them online (Which would be really REALLY great) or if I would have to download or buy them.