Canon seems to be back in the game with the C200 starting price at $6k. I have a feeling Panasonic's will be under $6k, possibly $5.5k and it must have a super 35mm sensor with EF mount to properly compete.
https://www.bhphotovideo.com/c/product/1340802-REG/canon_2216c002_eos_c200b.html
https://www.bhphotovideo.com/c/product/1340802-REG/canon_2216c002_eos_c200b.html