Will Hank Pym Be YellowJacket?

I don't think so. Darren Cross was already Yellowjacket in the first movie.

 

Think we might simply see Hank simply as "Giant-Man" vs Bill Foster's "Goliath".

As I've said in other threads, I've been wondering if this version of Ghost played by Hannah John-Kamen might actually be Rita DeMara who became the second Yellowjacket in the comics.
Whether she is or not, I've a feeling her character is going to end up a candidate for a Thunderbolts movie if we get one.

 

I think he will be more like the “Dr Pym” version from West Coast Avengers.
I really hope Foster is either Goliath, or they establish he was in the past for at least one adventure.