Actress Jennifer Garner played a saxophone for actress Reese Witherspoon’s birthday. It took Jennifer Garner time in the gym to reprise her role as Elektra in the new "Deadpool & Wolverine" movie. On Monday, Garner took to Instagram to explain that she was in shape two decades ago when filming "Elektra," but that level of fitness was not going to cut it for a Marvel film.

In the video, Garner, 52, showed herself performing difficult exercises that helped her get into tip-top shape for her action-packed cameo. The actress recalled the moment Ryan Reynolds and director Shawn Levy approached her with the idea of bringing her role back for the third "Deadpool" film. JENNIFER GARNER SAYS SHE HAS 'NICE KIND' OF FAME: 'IT'S HARD NOT TO LIKE IT' Jennifer Garner underwent an extreme fitness schedule to get in "Marvel" shape.

(Getty Images/Jennifer Garner Instagram) "We were on the set of ‘The Adam Project,’ and they gave each other this look they have that can communicate an idea, 20 pages of dialogue, nuclear codes — there is a crazy artistic kismet between those two," Garner captioned her post. "Other than trying to convince my kids’ preschool buddies that I was secretly a ninja, I hadn’t picked up Elektra’s sais since 2004; I was fit, but not Marvel fit," she continued. "I was fit, but not Marvel fit.

" Garner explained that she incorporated swimming, lifting weights, boxing, running, trampoline and balancing exercises to get herself prepared to make Elektra's return. .