I don't think there is a Garfield comic where Garfield died. Garfield is a popular and long-running comic series, and typically, the main character like Garfield doesn't meet such a fate.
It depends on which specific comic series or story arcs you're referring to. In some, he has faced death situations, but in others, he's remained alive and well.
Yes, there are. Some movies draw inspiration from various sources but not directly from comic books. For example, 'The Truman Show' has elements of a fantastical world but isn't based on a comic.
Well, a blank comic book isn't really an actual comic book in the usual sense. It doesn't have pre-drawn characters, plot, or dialogue. It's more like a canvas waiting for your imagination to fill it up.
2017 saw the demise of several fiction book authors. Some of the prominent ones were [mention a few names if known]. Their literary contributions will always be remembered.