?prepaid Credit/debit Card In Pesos For Non-Residents?

[Joe]

In order to get some of the discounts offered by credit cards, for safety and as a general convenience is it possible to get a prepaid credit/debit card in pesos (for non-residents)?

Another use is that Megatron Gym gives a discount if you use a credit card as well as allowing you to use multiple gyms. If I use my foreign credit card I get the official rate...