The movie "Deadpool" serves as an origin story for the character, showcasing his bold, sarcastic, and fourth-wall-breaking personality. The film highlights the development of Deadpool’s character in a style filled with comedy and action. Ryan Reynolds’ portrayal of Deadpool solidifies his edgy, fun, and irreverent persona, setting the tone for his future appearances.

In "Deadpool 2," the worlds of Deadpool and the X-Men begin to intersect more significantly. Deadpool makes an appearance at the X-Mansion and collaborates with some of the heroes to protect a young boy with supernatural abilities from a time-traveling cyborg. This crossover enhances the interaction between different characters in the Marvel universe and adds depth to their relationships.

The film "Logan" provides crucial context for Wolverine's character development. It focuses on Wolverine's past and its impact on his personality in the new movie, making it a key reference for understanding the relationship between the two characters. "Logan" delves into the emotional and physical struggles of Wolverine, enriching the narrative of "Deadpool & Wolverine."

The Time Variance Authority (TVA) plays a pivotal role in the plot of "Deadpool & Wolverine." While the film gives a brief explanation of the TVA, watching the "Loki" series offers a deeper understanding of this organization’s intricacies and its role in maintaining the "sacred timeline." This background helps viewers grasp the complexities of the TVA’s involvement in the new movie.

Classic X-Men films like "X-Men," "X2," and "X-Men: The Last Stand" are important for understanding Wolverine's background and his connection to the X-Men team. These movies depict the challenges and conflicts Wolverine faced, helping viewers comprehend his character evolution in "Deadpool & Wolverine."