Our friend Cameron McEwan at Den of Geek reports the following:
"In a recent interview with BBC journalist Lizo Mzimba, actor Shia LaBeouf revealed that work on the next Indiana Jones film has begun. LaBeouf played the part of Mutt Williams, Indy's son, in last year's Indiana Jones and the Kingdom of the Crystal Skull.
When asked about the fifth film in the Indiana Jones franchise the Transformers actor said: "Steven [Spielberg] just said that he cracked the story on it, I think they're gearing that up"'