Headline: Emotional ‘Black Panther: Wakanda Forever’ Trailer Mourns Chadwick Boseman — and Introduces Namor (Video) 
Candidate headlines:
- Everything to Know About Black Panther: Wakanda Forever  — same event: yes
- Who is Namor the Sub-Mariner? Marvel's First Mutant, Explained — same event: yes
- Black Panther: Wakanda Forever Official Teaser Reveals the End of Phase — same event: yes
- Black Panther: Wakanda Forever Confirms Namor Casting [Comic-Con]  — same event: yes