Alright, here's my guesses on all nominees, based on the pre-nominees:
Worst Picture:
-Fant4stic
-Fifty Shades of Grey
-Mortdecai
-Paul Blart: Mall Cop 2
-Pixels
Worst Actor:
-Johnny Depp (Mortdecai)
-Jamie Dornan (Fifty Shades of Grey)
-Will Ferrell (Daddy's Home/Get Hard)
-Kevin James (Paul Blart: Mall Cop 2)
-Adam Sandler (The Cobbler/Pixels)
Worst Actress:
-Katherine Heigl (Home Sweet Hell)
-Dakota Johnson (Fifty Shades of Grey)
-Jennifer Lopez (The Boy Next Door)
-Kate Mara (Fant4stic)
-Gwyneth Paltrow (Mortdecai)
Worst Supporting Actor:
-Sean Bean (Jupiter Ascending/Pixels)
-Josh Gad (Pixels/The Wedding Ringer)
-Kevin James (Pixels)
-Jason Lee (Alvin and the Chipmunks: The Road Chip)
-Eddie Redmayne (Jupiter Ascending)
Worst Supporting Actress:
-Ellen Barkin (The Cobbler)
-Kaley Cuoco (Alvin and the Chipmunks: The Road Chip/The Wedding Ringer)
-Melonie Diaz (The Cobbler)
-Michelle Monaghan (Pixels)
-Amanda Seyfried (Love the Coopers/Pan)
Worst Director:
-Chris Columbus (Pixels)
-Andy Fickman (Paul Blart: Mall Cop 2)
-David Koepp (Mortdecai)
-Sam Taylor-Johnson (Fifty Shades of Grey)
-Josh Trank (and Alan Smithee?) (Fant4stic)
Worst Screenplay:
-Fant4stic
-Fifty Shades of Grey
-Jupiter Ascending
-Paul Blart: Mall Cop 2
-Pixels
Worst Prequel, Remake, Rip-Off, or Sequel:
-Alvin and the Chipmunks: The Road Chip
-Fant4stic
-Paul Blart: Mall Cop 2
-Taken 3
-Terminator Genisys
Worst Screen Combo:
-Adam Sandler and any pair of his shoes (The Cobbler)
-All Four "Fantastics" (Fant4stic)
-Jamie Dornan and Dakota Johnson (Fifty Shades of Grey)
-Kevin James and either his segue or his glued-on mustache (Paul Blart: Mall Cop 2)
-Adam Sandler and his "bro posse" (Pixels)
Note: Some of these are pure guesses with little/no basis on my part. Also, it hurts a little to see actors with such potential give such poor performances that they ended up on this list.
Worst Picture:
-Fant4stic
-Fifty Shades of Grey
-Mortdecai
-Paul Blart: Mall Cop 2
-Pixels
Worst Actor:
-Johnny Depp (Mortdecai)
-Jamie Dornan (Fifty Shades of Grey)
-Will Ferrell (Daddy's Home/Get Hard)
-Kevin James (Paul Blart: Mall Cop 2)
-Adam Sandler (The Cobbler/Pixels)
Worst Actress:
-Katherine Heigl (Home Sweet Hell)
-Dakota Johnson (Fifty Shades of Grey)
-Jennifer Lopez (The Boy Next Door)
-Kate Mara (Fant4stic)
-Gwyneth Paltrow (Mortdecai)
Worst Supporting Actor:
-Sean Bean (Jupiter Ascending/Pixels)
-Josh Gad (Pixels/The Wedding Ringer)
-Kevin James (Pixels)
-Jason Lee (Alvin and the Chipmunks: The Road Chip)
-Eddie Redmayne (Jupiter Ascending)
Worst Supporting Actress:
-Ellen Barkin (The Cobbler)
-Kaley Cuoco (Alvin and the Chipmunks: The Road Chip/The Wedding Ringer)
-Melonie Diaz (The Cobbler)
-Michelle Monaghan (Pixels)
-Amanda Seyfried (Love the Coopers/Pan)
Worst Director:
-Chris Columbus (Pixels)
-Andy Fickman (Paul Blart: Mall Cop 2)
-David Koepp (Mortdecai)
-Sam Taylor-Johnson (Fifty Shades of Grey)
-Josh Trank (and Alan Smithee?) (Fant4stic)
Worst Screenplay:
-Fant4stic
-Fifty Shades of Grey
-Jupiter Ascending
-Paul Blart: Mall Cop 2
-Pixels
Worst Prequel, Remake, Rip-Off, or Sequel:
-Alvin and the Chipmunks: The Road Chip
-Fant4stic
-Paul Blart: Mall Cop 2
-Taken 3
-Terminator Genisys
Worst Screen Combo:
-Adam Sandler and any pair of his shoes (The Cobbler)
-All Four "Fantastics" (Fant4stic)
-Jamie Dornan and Dakota Johnson (Fifty Shades of Grey)
-Kevin James and either his segue or his glued-on mustache (Paul Blart: Mall Cop 2)
-Adam Sandler and his "bro posse" (Pixels)
Note: Some of these are pure guesses with little/no basis on my part. Also, it hurts a little to see actors with such potential give such poor performances that they ended up on this list.