The IRS has not been opening the mail for months. So you need to keep waiting. I heard they might have just started opening the mail that's been stacking up in trailers. See this IRS page for the latest information
https://www.irs.gov/newsroom/irs-operations-during-covid-19-mission-critical-functions-continue
Don't know about your stimulus checks. Have you been filing a Joint return with your wife? Some of your SS might be taxable. The Stimulus should be based on your Joint return.
