Classic story of demigods meeting the avengers, pjo x mcu (also some magnus chase) this is a rewrite, i wrote a version of this a few years ago and it was awful so here we go!! Nico, Percy, Jason, and Alex Fierro are asked to join a group of heroes to help take back the tesseract from Loki. Takes place during the first Avengers movie and after the events of heroes of olympus and the magnus chase series