This is a mix of the following Artists

1. Artwork by Tom Whalen https://www.deviantart.com/strongstuff

2. Artwork by vechno7t https://www.deviantart.com/vechno7t

3. Screencaps from the Marvel Hawkeye Credit Scene

I really like the outcome of this Artstyle.

I'm using this template for the best outcomes:

Positive:

concept art {prompt} . digital artwork, vector, bright colors, bold outlines, illustrative, highly detailed <lora:Flat_Vector_XL:1>

Negative:

ugly, deformed, noisy, blurry, low contrast, realism, photorealistic