Custom Character Super-Hero Digital Image

Hi, I am looking for someone that can make a standout portrait of a comic book super hero I created many years ago. I had always wanted to do something in the comic field as I had many scripts written, but other things drew me in and it went undone. The only art type of anything I have done with the character was through an online gaming creation screen (City of Heroes) and got close to the look I wanted (but low quality). Anyways, need a high resolution digital portrait done of the character from someone that can make it stand out so i can use it as both a digital bmp/jpg high quality image and as a picture for framing. I am wanting to have the digital image put on the side of an arcade cabinet I having built so it has to be high resolution. Included are two images as an idea of the character. Please let me know the cost and if it is something you would be able to do along with the turn around time. I am looking for someone with some experience in creating awesome looking super-hero comic art. If you have samples i would like to see them. I am hoping to have this done fairly quickly. Thank you.