I did a tiny bit of digging. Mainly because with HT releasing their 89 Batmobile again, I really was curious as to how they would allow another company to release a very similar product.I wondered at first but no, they do indeed have a license with WB. They also recently acquired a license from Universal. I'm not sure if they're licensed for the Star Wars dioramas though I don't know if you actually need it for those. I assume you do. They are making a Snow speeder so they must have one. They should also have a license from Sony being that he sells a 1/6 Homecoming Vulture figure.
As far as preordering, I guess that's a chance you take with any smaller company. They've already released the '66 and Justice League Batmobiles and The Batman Batmobile is shipping later this year. I think the Bat-Wing is made to order. So, they do come through.
The owner, Joost (pronounced "Yost") is really cool. He does a lot of interviews and is constantly updating on his progress. In fact, he encourages feedback on his designs and if anyone can offer production references. If someone points out a mistake in his design, he'll fix it.
There's a lot of vehicles he wants to make. I mentioned he already acquired the Universal license. He plans on making KITT and maybe some Jurassic Park vehicles. He would love to make a Delorean but since Hot Toys just released theirs, he's going to hold off for now.
Yes in some of their images they show the DC and WB logo.
But when you read the FAQ they explicitly state that they are not affiliated with any studio.
Being that they are not based in the US or UK, I would guess it is harder to enforce your copyright.
To me it doesn’t look like they actually are licensed but I could be wrong. I looked at Hot Toys website and in their FAQ it states they have rights to the trademark they are using.
Form your own opinion of course but their website isn’t the clearest on what, if any licenses they hold other than saying they are and putting the respective company’s trademarks on their images.
Finally, in relation to the Jurassic Park vehicles or KITT, the Universal license wouldn’t suffice. They would also have to obtain licenses from the vehicle manufacturers in order to replicate them in scale. They own the IP on their vehicle designs.