Found this while working on another blog I do, this is a great blog that makes up cross company crossover covers to comics that you wish existed.
This is one I had to share.
https://braveandboldlost.blogspot.co.uk/2017/03/batman-outsiders-and-guardians-of.html?m=1
Standing Guard 
Wow, this is great, will have to check this blog out 🙂