I'm glad people are liking my Gerard Butler fan cast. What I did was look at the top 100 actors over 30 and he seemed by far the best option...
I'm not so sold on Michelle Rodriguez. Olivia Wilde looks the part.
Even if they retcon the whole Deadpool - Origins debacle, to pull off the character he should first be introduced as a threat. The whole Merc with a Mouth concept. Make him a baddie in movie one, and then have him join the team later.
Now, for Shatterstar, hmmm..........
Here are some options:
There are also a couple of others that could look the part...
Of these, and I can't believe I'm saying this, my favorite is...