Avengers: Endgame star Mark Ruffalo took to Twitter on Monday to promote his own Marvel licensed t-shirt, for which proceeds go toward the “fight for climate justice.” Ruffalo, who played the role of Bruce Banner and The Incredible Hulk in the blockbuster film franchise, urged his followers to “act fast” in purchasing the t-shirt, which declares the battle against climate change as “the fight of our lives.” The Limited Edition Charity T-shirt costs $39.99 and is officially licensed by Marvel. Proceeds from the shirt’s sale go toward The Solutions Project, an organization co-founded by Ruffalo with the aim of promoting...