Mortadelo and Filemón comic-book archive free (news).
If you can Habla the ‘ol Spanish, then have we got a treat for you … it’s the Mortadelo and Filemón comic-book archive from 1971 to 1986, which has now been put online over at https://leer-comics.blogspot.com/2019/02/coleccion-ole.html.
It’s not been put up a downloadable PDFs, but as online web-pages.
If you like a bit of surreal humour and don’t mind the foreign language as an English-speaker, you can appreciate the pictures and learn Spanish at the same time!