Continuity mistake: When Deadpool and Wolverine are eating a burrito, Deadpool throws his on the ground a few feet to the right. In the aerial angle the burrito is gone. Then the dog runs towards Deadpool and the burrito is now in front of him. When the dog arrives, the burrito is now closer to Deadpool's foot.
Continuity mistake: During the party, Vanessa's grip on her cup differs between instant cuts.
Answer: Part of the novelty of knowing that he's in a film means servicing the plot, especially as a proxy for those audience members who may not be as familiar with some characters. Deadpool also does seem to know who Elektra is, as he apologises to her upon hearing about Daredevil's death, even though he just met her moments earlier.
Phaneron ★