Ideas on how a third Kaiju can be added to GvsK without ruining the plot

Titan of Water
MemberBaragonJun-24-2019 8:18 AMIt really seems from the post-credit scene and the plot summary for GvK that there will be a third monster, most likely created by Alan Jonah. I’m real worried about this, cause they did this in BvS and it ended up sucking hard. Ideas on how this mysterious new monster could be added without ruining the plot?
Angering the Godzilla fan base one take at a time

Sci-Fi King25
MemberGiganJun-24-2019 10:33 AMHaving Kong and Godzilla fight with a clear winner. Afterwords them fighting a third monster could possibly work, or one of the other monsters kills it before they fight.
“Banana oil.”- George Takei, Gigantis: The Fire Monster

Lucky Dragon No. 5
MemberMothra LarvaeJun-26-2019 7:38 PMDoomsday was only a small factor in why BvS was a critical failure. There were many other bigger reasons. Doomsday could have worked but he wasn't executed well. If they don't make the same mistakes that film made, there shouldn't be a problem.