Garner previously played Elektra Natchios in 2003’s “Daredvil” and 2005’s “Elektra.”
“Deadpool 3” will premiere in 2024 and is directed by Shawn Levy.
In addition to Jennifer Garner, among others Ryan Reynolds, Hugh Jackman, Morena Baccarin and Brianna Hildebrand will appear in the upcoming film.