If your pending H-1B Petition is denied for whatever reasons and your current I-94 is still valid, you should be able to go back to the previous...

U.S. Embassy or Consulate (Department of State) has authority to revoke your visa. You might want to contact the U.S. Embassy or Consulate where...

You may seek such options, although you may have other options.

Aside from H-1B, you may have E-1/E-2 (depending on what nationality you have), going back to school (F-1), O-1, etc. I suggest you consult with...

H-1B could be one of the options available to you. I suggest you consult with an immigration attorney in person to find out if the organization...

The question needs more information on the basis of your application for a visa stamp.

You will need a valid H-1B Visa and the most recent H-1B Approval Notice before returning to the United States.

As a lawful permanent resident, you will not be issued I-94 at the port of entry.

Is this a question about retuning to the United States after travelling to Mexico? Or about necessity to obtain a visa to travel to Mexico?

Your new employer should be able to file H-1B Petition for you based upon your previous H-1B, if you still have remaining balance towards the...