Jem Aswad Executive Editor, Music Eminem, whose 2000 song “Stan” coined the term for fanatical and sometimes delusional superfans, is co-producing a documentary on the phenomenon via his Shady Films, in association with DIGA Studios and Hill District Media, with initial distribution from Paramount/MTV. The film, directed by Steven Leckart (“Challenger: The Final Flight,” writer of “What’s My Name: Muhammad Ali” and cowriter of the Hulu series “Legacy: True Story of the L.A.