Writing

—		Creed IV … Characters
—		Untitled "Rocky" prequel … Characters … Writer
—		Untitled "Rambo" prequel … Writer

2025

… Screenplay

2023

… Characters

2019

… Screenstory … Screenplay

2018

… Screenplay … Characters

2015

… Characters

2014

… Story … Screenplay

2013

… Screenplay

2012

… Screenplay

2010

… Screenplay

2008

… Screenplay

2006

… Characters … Writer

2001

… Screenplay

1993

… Screenplay

1990

… Characters … Writer

1988

… Screenplay

1987

… Screenplay

1986

… Screenplay

1985		Rocky IV … Writer
1985		Rambo: First Blood Part II … Screenplay

1984

… Screenplay

1983

… Screenplay

1982		First Blood … Screenplay
1982		Rocky III … Writer

1979

… Screenplay

1978		Paradise Alley … Writer
1978		F.I.S.T. … Screenplay

1976

… Screenplay