Ethan Shanfeld And just like that, another TV character has a heart attack on a Peloton bike.After the “Sex and the City” spinoff “And Just Like That” killed off Mr. Big (Chris Noth), who has a heart attack after riding the stationary exercise bike, “Billions” is the next show to paint Peloton in a not-so-positive light.In the Season 6 premiere, as Axe Capital COO Mike Wagner (David Costabile) attempts to keep up with his younger girlfriend in a Peloton class, he suffers a minor heart attack.