Natalia Cordova-Buckley takes the lead as Elena "Yo-Yo" Rodriguez, a super-speedywho comes into conflict with SHIELD in the spin-off. It's set shortly before the beginning of series four of "Agents of SHIELD", which just finished airing. Daisy Johnson and Agents Coulson, Mack, May, Fitz and Simmons will cross over from the main show to make appearances.
"Slingshot" will be the first spin-off from "Agents of SHIELD" after broadcaster ABC opted not to go ahead with a long-mooted spin-off called "Marvel's Most Wanted". ABC has however said yes to , a race of superbeings that have already appeared in "SHIELD". The show will debut in September 2017 in Imax movie theatres and on TV.
Yo-Yo Rodriguez first appeared in comics in 2008, created by writer Brian Michael Bendis and artist Alex Maleev.