Do i need to be in USA after everything is filled and signed?

You do not need to be here - and if there are any problems with your papers you can have an attorney represent you.

Need to know the law concerning divorce and assets

As of the date of filing of the Summons in the divorce case is what the law says. But a local attorney may be able to argue that under the...

I was served with summons with notice, what should I do next?

You should hire an attorney to file a Notice of Appearance - and move through the process.

In a divorce can my social security benefits be divided with my ex wife same as a pension?

Under some circumstances, yes.

If a deposit from wifes separate account is deposited into my separate account does that turn my account into marital property?

You really need to get a lawyer. If you have all this separate property you can certainly afford one.

If i put a check from my separate property account into my wifes separate property account, her account become marital property?

No. You can not force her account into marital property status by making a deposit.

It is not cut and dry, it is a relatively complicated document - and it should have been filed with your divorce papers. that having been said...

Yes.

You can try. The filing fee is $45.

Yes.