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.

Ryan Reynolds' Deadpool & Wolverine finds an especially scary place in Blake Lively vs. Justin Baldoni's lawsuit.

Now, though, it appears that one of Deadpool’s trademark inside jokes might have allowed a little bit more of the real world to poke into the MCU unexpectedly. (Of course, it’s a version of the “real world” that still mostly involves Hollywood sniping,