That's not how any of it works. The image is set on the website using og:image tags. Check archive.org for the site it links to and look at the source, check the og:image URL. It doesn't change until June 1.
There's no "queuing a Twitter card change". It wouldn't even be necessary.
Q is hoping he can blur the lines enough to provide plausible deniability after being outed so quickly.
Or… Call me a shill without actually addressing any of the facts. That works too.