If you used the Turbo prepaid visa, the funds should be connected to that account. You'll need to contact the bank associated with the card in order to get a replacement card, if that's your situation. Using the IRS as a resource is your best bet.

More information here: Second Stimulus, Turbo Card, GreenDot Resources

Each person will have a different scenario depending on how you completed your taxes and your eligibility with the IRS. Reaching out to their internal hub will give you the most accurate information.

No I have had my American Express serve card that I have used for 4 years same account and I have got no second stimulus check 

Same card same  account number that I have used for years and the same card that I always get my refund on American Express serve 😢 I really need it I have a new born 

This link will help you find the status of your payment:  Payment Status Information  

In some cases the IRS is issuing Debit Cards.  Here is more information on that:  IRS Issues Debit Cards for Stimulus Payments