Race t-shirt DISign

[luvformickey]

Hello creative souls. I'm hoping someone can help me. I have a race coming up and would like a custom shirt design. I'm hoping for a superhero cupcake (A cupcake with a superhero cape). I want to put it on a black shirt so I know certain colors won't show up as well. My favorite color is purple, but if it doesn't work, I'm flexible. Can anyone help?

Thank you in advance!