mechagodzilla appears in godzilla king of the monster

Don't think MechaG will appear. I'd love to see it though. A modern Kiryu looking machine just filled to the brim with every desperate weapon Monarch could think of -- I love it 

If MechaGoji does appear (highly unlikely but plausible) then it would probably be either a foil to Godzilla created by humans (like Mechagoji 2 and Kiryu) or a machine created to fight alongside Goji. I personallly feel as if the former would be more plausible, but the ladder would be nice to have in a movie.

I don't remember this titan appearing in the movie.

He is a manufactured, mechanized Godzilla..with crazy and big weapons.

i don't think he will be in it. but i wish.