The phrase "first movie" refers to a person's or group's initial attempt at creating and producing a film. It is typically used when describing someone's debut in the cinema industry, as it represents their first foray into the world of moviemaking.
It works and the circle logo is now unfortunately associated with the dire first movies so a simple redesign makes sense in that respect too. (firstshowing.net)
I started reading the books as a child, and then the very first movie came out. (wolfsgamingblog.com)
It's probably the very first movie I've seen with him. (metacritic.com)