All of the other deadpool costumes are great, except for the mask!
So, here's a good mask to go with the costume.
Costume in photo by "Doctorperson"
Mask in photo made by me.

How to install:
Go to open IV
x64v.rpf//models//cdimages//streamedpeds_players.rpf//Player_One
Type in accs_diff_003_a_uni.
Go into Edit mode, and press accs_diff_003_a_uni, then press replace, replace it with the modded texture.

Then type in Hair_diff_005_a_uni, press edit mode, open Hair_diff_005_a_uni and then press replace, replace with modded texture.