The Cubs selected Bethancourt's contract from Triple-A Iowa on Friday, Taylor McGregor of Marquee Sports Network reports.
Bethancourt will fill the roster spot vacated by Tomas Nido (knee) and will share catching duties with Miguel Amaya while Nido recuperates. The 32-year-old slashed just .159/.198/.268 across 88 plate appearances with the Marlins earlier this season.