It's obvious that there is need for a new one, and assuming that we were to back it up with evidence, what'd it be about?

Religions are created to bring balance, and power to a select few, so a new religion taking over in poor countries where religions that aren't followed word-to-word needs to be brought in.

Let's take the old rules, and sayings; the same stories, but with some different things like names.

We shall call this project Islam 2.0

Or we could just not have a new religion.

That can be the fundamental belief of the new religion.