Comics
© Marvel Comics
Participating retailers will mark the event with commemorative merchandise including prints, door hangers and posters.
An advance edition of Avengers #1 - written by Brian Michael Bendis and illustrated by John Romita Jr - will also be available.
The 'Heroic Age' will see four new Avengers titles - Avengers, New Avengers, Secret Avengers and Avengers Academy - launched in the aftermath of the 'Siege' storyline.
Avengers Day will take place on May 19.
Related Stories
Comics Interviews
'Before Watchmen' interview: Dan DiDioWe catch up with DC Comics' co-publisher to discuss the much-debated prequel.
Comic Movie Reviews
'Avengers' review: What's the verdict?Robert Downey Jr muscles his way to the front in this Marvel Comics movie mash-up.
Avengers vs X-Men
AvX will not start a reboot, says MarvelEditor-in-chief Axel Alonso says that the event won't reboot the Mavel Universe.
Before Watchmen
DC: 'Before Watchmen bigger than New 52'Dan DiDio says that Before Watchmen is bigger than the publisher's relaunch.
