The "Deadpool" franchise is named in Justin Baldoni's new lawsuit against "It Ends With Us" costar Blake Lively and her husband Ryan Reynolds. Here's why.

The legal battle between It Ends With Us co-stars Blake Lively and Justin Baldoni has been taken to a new level, as the latter has now sued Lively and her husband, Ryan Reynolds, for $400

Baldoni and Lively have been at odds since the now-endless It Ends With Us press tour, after which rumors of sexual harassment allegations spilled into the press. By the end of Us, Baldoni had filed suit against the Times for its bombshell story accusing him of harassing Lively and orchestrating a smear campaign against him.