Superman IV: The Quest for Peace
https://www.warnerbros.com/movies/superman-iv-quest-peace
https://www.dc.com/movies/superman-iv-the-quest-for-peace-1987 [ 1 ]
https://www.imdb.com/title/tt0094074/

to be re-watched

• For searchability: Superman 4
• Properly titled Superman IV: The Quest for Peace – (1987 movie)

• Trailer

1. Superman – (1978 movie)
2. Superman II – (1980 movie)
3. Superman III – (1983 movie)

4. Superman IV꞉ The Quest for Peace – (1987 movie)

Footnotes

1. was https://www.dccomics.com/movies/superman-iv-the-quest-for-peace-1987 [ ↩ ]