No. Fundamentally, my map is more similar to maps like X Hero Siege or Enfo's Team Survival (with one team). The CORE of the gameplay is that you defend an objective against waves of weak enemies. If I added an FFA mode to my map, then yes it would be similar to Archer Wars.
You don't have to apologise for pointing out that my map has similarities to other maps - it's true! Every aspect of my map is inspired by some other game or movie that I've played/seen. The non-structured waves is inspired by Tree Elder of Ancients (check it out on epicwar, very good hero defense), the ability to pick up and throw small units is inspired by Warhammer 40k: Dawn of War (the game), the randomised hero ability selection is inspired by Crimsonland (the game), the water item that spawns during rain was inspired by seeing that model in the model section, the boulder physics was inspired by... well.. physics!
Your map, as well as Warlocks, is basically sumo wrestling. Two or more individuals are trying to push each other out of the map. The main difference is that Warlocks is much slower and has a larger play area.
The most original map in this contest, IMO, is Kino's. We have seen elemental/combo systems before, but this one has a very unique implementation. As my personal rule of thumb for determining whether or not something is unique, I measure how quickly I can think of a similar map or game. When I play my map, I instantly think of Tree Elder of Ancients. When I play your map, I instantly think of Warlock. When I played Kino's map, I initially thought it was a map where you create the world using volcanoes and stuff... and if a map has me not only be unable to think of something similar but also has me guessing it wrong, then that is very unique.