Immigration.

You and your wife need to file: I-130, I-485, I-765, I-131, G-325A (for both), I-864 for your wife and a co-sponsor since your wife is not...

Help is needed

Yes, when you get divorced you can file I-751 on your own. You need a good attorney to help you with this matter.

What should I do?

Yes, you wait 120 days, then you schedule an info pass appointment, then in 60 days another one, then get ready for a mandamus action at which time...

Which travel doc i have to present @ POE when i come back? my country one or the Re-entry one?

If your absence was a short one present your passport although both documents are totally adequate when combined with your green card.

You will need it at the interview. Do not file until after 60 days of their entry.

Immigration

If your marriage was bonafide and you have proof of that you needn't worry. A good lawyer by your side is a must.

I don't feel this is fair what can I do?

It's not clear what thou want to know. Fraud is waiverable if this is what you want to know. Waiver is based on proving extreme hardship to a US...

What are my options for L1B extension?

You are confusing visa with status. Without knowing how long you have had your L1B it's impossible to say whether you have the right to extend. ...

Mexicans are gonna be able to go Canada without a visa?

Direct your inquiry to Canadian immigration lawyers. Make sure to tell them why were deported from US because if it had anything to do with...

E2 to EB visa

Your inquiry is phrased in such a way that no meaningful answer is possible. I suggest you see a good lawyer in your area who will help you first...