VIDEO : 'Avengers' Fan Theory Says Shaggy Is Captain America's Son

Comicbook.com reports a Marvel fan has a rather odd and fascinating theory about Captain America.

According to u/123Error321, Shaggy from Scooby-Doo is Steve Roger's son.

Norville ?Shaggy? Rogers, can keep up and match the pace of Scooby Doo, a Great Dane. Seeing as Great Danes can run up to 30 mph, that means that Shaggy probably can too.
123Error321

They also note that Captain America runs casually at about 26 mph in "Winter Soldier" and runs even faster in "Civil War."

Fans may never see Scooby Doo franchise the same way again.