Jimmy Kimmel’s son Billy had heart surgery in 2017, and now the 2-year-old is “doing great.” “He thinks he’s Spider-Man now, so we’re safe from crime,” the Jimmy Kimmel Live! host, 51, told Us Weekly exclusively at L.A. Loves Alex’s Lemonade Brings Together Culinary & Entertainment Stars on Saturday, September 14. “He wears the costume all the