Indy has a daughter

Marion Ravenwood is not very good at keeping secrets. In Raiders of the Lost Ark it didn't take long for everyone to learn she had the medallion that would uncover the Ark, and even more recently her alias: Karen Allen, told fans outside a Raiders' screening that she will be reprising her roll in Indiana Jones 4 and that Natalie Portman has been cast as Indy's daughter:

Allen spoke to Indiana Jones fans after a screening of Raiders of the Lost Ark, and, although she was coy about her own part in the fourth film, she revealed Portman's name is being mentioned.

She told fans, "I just heard Natalie Portman was cast as Indy's daughter." One fan in attendance says, "She (Allen) immediately changed the subject as if she knew she shouldn't have said anything."

"That's our girl!"