The original six stars of The Avengers are reuniting for the All-In Challenge.Celebrities have been offering one-of-a-kind meet and greets as part of the initiative launched to raise funds for health-care organizations and charities helping those affected by the coronaviris pandemic, and now Chris Evans has regrouped his Marvel mates to offer one lucky fan the chance to hang out with himself, Iron Man (Robert Downey, Jr.), The Hulk (Mark Ruffalo), Thor (Chris Hemsworth), Hawkeye (Jeremy Renner), and Black Widow (Scarlett Johansson).A US$10 donation is enough to enter the raffle and the winner will get a 40-minute conference call and game night with the six stars.All proceeds will benefit Feeding America, Meals On Wheels, World Central