I have a legal case pending and in the request, I have requested to return to my former position...

More facts are needed in order to be able to analyze your problem.

My supervisor told me not to go back to work the next day....Rumor of me stealing from the company

You probably should speak with an employment law attorney.

You probably should speak with an employment/immigration law attorney.

Does an employer have to give notice of intent to fire an employee?

You should probably contact an employment law attorney.

I'm being sexually harassed and stalked at work & nothing is being done. I also got injured on the job trying to avoid harasser.

You might want to contact an employment law attorney first.

This can get complicated. You might want to contact an labor/employment law attorney.

Proving a casual nexus in an employment retaliation case

More facts are needed. Your inquiry abruptly cuts off.

What is my status now in US? Can I transfer H1 to new employer? If I cannot, how much time do I have before I have leave the US?

Immigration Law may be where you want to post this.

Can my wife and me together enter the US, me on J1 and she on B1 (on her current employer’s assignment)?

You might want to post this in the Immigration Law section.

1099-R received for 2012 for 401k distribution due to employer's mistake. This is a publicly traded company.

You might want to post this in the Employee Benefits section.