Now up at the Sunbow Marvel Archive are early storyboards for The Transformers The Movie. Covering the initial third of the film before jumping to Unicron's transformation. Working from a slightly earlier version of the script, they include more brutal deaths for the shuttle crew, as well as the confirmed death of Mirage (layout simplification on the final version makes it ambiguous).
The boards can be viewed via the storyboard gallery index, along with their finalised versions.
The Sunbow Marvel Archive: Storyboard viewing gallery
Below is an animatic I put together of the somewhat different cassette battle:
The boards can be viewed via the storyboard gallery index, along with their finalised versions.
The Sunbow Marvel Archive: Storyboard viewing gallery
Below is an animatic I put together of the somewhat different cassette battle: