Ant Man(Pym) in gotham

Alight Pym moves to gotham he uses his smarts to get a job at Wayne company and begin fight crime as Ant Man using tech he creates while at work. Batman realize somebody is fight crime. 1.How does Pym do? 2.How long before Batman figures who it is? 3.Does Pym and Batman co-exist or battle?

Batman becomes Pym's lab helper.

Several months later Ultron murders everyone in Gotham.

Pym could easily beat any bat rouges

Depends, Pym isn't really secretive but if the Op forced him to be he has the AI to destroy bruces security systems and could have a lab built on Bruce's desk without him knowing.

Despite being very different attitude wise, they have very similar morals and that could spur a great friendship. A fight between them is about as one sided as you could get.

Just going to agree with FTW here.
This is more a what if than a versus, and i'm not one to write fan fic.

Pym would clean up Gotham

does well at first, AT FIRST.
the moment he goes out fightin' crime as ant man
battle at first, then pym becomes the new robin,

He doesn't know anything about the villains. Couldn't Clayface stop him?

Pym could drop Clayface in a gravity well or just shrink him out of reality until he cures him.

Does he do that often?

More often than not being able to research Gotham villains or figure things out as he goes.
A hero running up against an unknown foe is kind of a staple.

Originally posted by LOL No
Does he do that often?

Haha!

Originally posted by pym-ftw
Shrink? Its kinda his thing...

It's standard gear, but Pym rarely uses the same trick twice.

Ooc Pym has far easier and nastier means of dropping Clayface

Pretty much. Pym's a beast.

Originally posted by LOL No
He doesn't know anything about the villains. Couldn't Clayface stop him?

Pym is so ridiculously above Batman villains paygrade that he can likely counter them entirely on the fly if we give him the Pym-multitool he was using when he was using the Wasp persona.

Exactly. Its named Toolbot.

Pym has so many ways to take people out its not even funny.