Before Disney what if there was a marvel version of it. I used to love reading them because of the different spin on all my heroes. It was a great comic line too. Stan Lee came up with a great comic in the lineup. The comic took a look at different ways that the storylines could have too..
Below here are some different looks at how the storylines could have been taken if they had altered just one thing. That is why the what-if stories are good at too., one of the reasons I love that comic book. You got a peek into what could have been, without altering the characters at all, only doing it for the comic lineup. Below are some YouTube videos that look at the what-if comics books.
What If? Classic: The Complete Collection Vol. 2 Paperback<Amazon product link>
What If? Classic: The Complete Collection Vol. 1 (What If? Classic: The Complete Collection, 1) Paperback<Amazon product listing>