Heroes and villains from the big screen — including “Star Wars” icon Mark Hamill and “Harry Potter” star Tom Felton — are masking up against COVID in a campaign called #HeroesWearMasks.

“X-Men” producer Tom DeSanto is creating the campaign for the CDC Foundation, and told us, “We want to prevent that one kid getting sick and bringing it back to a parent or grandparent.”

He added, “This is something that makes you strong. It isn’t a sign of weakness to wear a mask … We want to show you: Wear a mask because you care about your fellow human beings and keeping them safe. That’s what heroes do.”