Look alright, sound really original too, Marvel Themed Boss Battles, I like the originality, but the build looks bland, so do the Spawns, maybe like others suggested, make some skyscrapers and buildings or something, maybe even mod_terrain buildings that are just textured.
However there is one bad thing, now don't get me wrong, I like the fact your open to donations, but your kind of doing things wrong here.
Your donation system looks more like a Pay2Win system, things also seem over-priced and unfair to non-donator players, things like donator only weapons, custom classes, /nobody, sound like they would break the game for normal players.
My second disliked thing are the payment options and prices, incase you didn't know $20.00 is what Blockland cost before it was on steam, in fact you could buy 2 keys on steam with $20.00, $15.00 sounds too high still too, same with $10.00, I would definitely donate $5.00 though, that sounds reasonable, but then comes the other issue, your payment options are only Bitcoin, I'm afraid I don't have any bitcoin, I have plenty of USD though, and that's what will probably make donations harder for many other people.
My suggestions are you refine your Donation system, maybe add $2.00 donation perks, $4.00, and $6.00 perks, scrap the Custom Classes, /nobody, Donator only Weapons. Try to add things that don't affect gameplay balance, but fun items, maybe custom hats, or trails, how about a "Hall of Fame" where donators could get their name put up for supporting the server?
As for the build, if you can't make one, why not ask for people to make one, there is always at least someone out there who is willing to support your server.
I see you have great potential, so don't give up, maybe one day your server will be as good as pecons....maybe.
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