Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
Set somewhere between Avengers : Doomsday and Avengers : Secret Wars, Spider-Man 4 tells the story of how Spider-Man learns to become Peter Parker again.
