Nope, still being sold by Tamashi Nations, the same company I pre-ordered from through Amazon.

https://www.amazon.com/Tamashi-Nations-Godzilla-Mechagodzilla-S-H-MonsterArts/dp/B095GS6XZQ/?_encoding=UTF8&pd_rd_w=W0xTu&pf_rd_p=067e8e18-34c5-4e6e-8c6c-a4d937ff3226&pf_rd_r=HZZAMAP5JFW9MJ9YR72D&pd_rd_r=377a0d56-b470-4ee3-8a6b-52344a3a0d4e&pd_rd_wg=cN9Cf&ref_=pd_gw_ci_mcx_mi