Originally Posted by
roootra
It could be a good idea but do you know any working signup link?
You need to join Iberia and then wait for an email invitation. Also bear in mind that you cannot transfer your avios points out of a new Iberia account until 90 days have passed. It's a pain if you want avios now, but in the long run, it's well worth it.
Also worth mentioning you can earn 3k avios per month with Iberia E-Rewards rather than 2K with the other avios partners.