Aside from half hearted programs with Sin Cara and Rey Mysterio, Alberto Del Rio really has not been given a full program by WWE to work with since wrestling John Cena at Survivor Series 2013. However, the feeling backstage is that Del Rio is assured a spot at Wrestlemania 30 to draw in the Spanish media.
One of the backstage issues between Sin Cara and WWE was that the masked superstar refused to learn English. He openly states that he does not like the language, so he never bothered to learn it. Sin Cara also feels that communicaiton isn't a must in the ring.
Despite being replaced by Hunico under the mask on WWE shows, the original Sin Cara has still been posting pictures of himself with the mask on Twitter. The company is planning on keeping the character even after his contract expires in a few days.