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EL CAJON, Calif. – A terminally ill El Cajon teen who made national headlines in May when he was visited by three cast members of the “Avengers” movies, died Saturday in his home, according to a message posted on a Facebook page.

Ryan Wilcox, 18, reportedly died of complications from leukemia, according to the “Team Ryan, Stay Strong and FIGHT On” page. “With the heaviest of hearts… Early this morning Ryan passed away peacefully at home, with his family by his side surrounded in so much love right where he wanted to be,” the post said.

“He did not lose this battle… he beat it a long time ago by the way he chose to LIVE,” the message, which was posted today said. Robert Downey Jr., Gwyneth Paltrow and Chris Evans visited Ryan at his home in May after reading about him on social media.

The actors, who portray Iron Man, Pepper Potts and Captain America, respectively, paid a surprise visit to the Grossmont High school student and spent the afternoon visiting, taking pictures and giving autographs.

“Ryan we love you so much and will miss you always and forever. Love you to heaven and back,” the Facebook message continued. “Fly high SuperMan… you are free.’