I like it. Somewhat reminiscent of She Hulk origin.
Depending on how bad your dyslexia is, maybe just asking someone to read it over for you combined with spell check can solve that problem.
As for wanting to skip to the end when writing, see if you can break the story down to a series of scenes and chapters, and arrange them in the order you want them to occur (post-its can actually help organize these ideas!)
Then, instead of wanting to jump to the end of the story, you'll be thinking about just jumping to the end of each scene instead.
Good luck!
I second those suggestions! It is not that unusual for someone to write the ending of a story and then slowly develop a skeleton and then flesh-in the rest. I just read that J.K. Rowling wrote the last chapter of the seventh book (the seventh is as yet unpublished) of her Harry Potter series before she completed the outline for the first book. I can empathize: the beginning is always the most difficult part for me to write.
There are lots of talented people here who would probably not mind helping you proofread something if you wish. Not to volunteer anyone but AlexG was an invaluable proofreader for my story "Compounding Interest". I have helped a few folks as well.
Tschuss!
Hunter
