Joined Worlds (Link POV)

Link. Eragon. Two heroes who may seem to have nothing in common. But when a great threat proposes to destroy both their worlds they must come together with Earths mightiest heroes to defeat this threat, Will they be able to put everything aside and work with each other or will all worlds be laid to ruin? (Legend of Zelda/ Inheritance Cycle/Avengers)

I know it only shows Link on the cover but it will be mostly about Link and mostly from his POV.