Story ideas

I have couple ideas for some of my favorite shows but don't know how to start not looking at this for money or anything but thought try
Ideas like mlp transformers crossover
Mlp/batman
Mlpeg/ hwbf5
anon a miss w/wolverine and avengers
any help or ideas love to hear them

Comments

[Lux Tenebris]

How would a crossover between batman and mlp work?