On A-Day, Mario and The Gang — Luigi, Peach, Donkey Kong, Yoshi, and Daisy — celebrate the unveiling of a second headquarters in Japan Tokyo and their own Super Mario Land Japan, the Chimera, powered by a Terrigen Crystal. also Included However, the ceremony is interrupted by a Many Dimesion Portals and terrorist attack led by Unknown, resulting in most of Japan and the Chimera being destroyed and Peach's apparent death. The Terrigen Crystal's destruction also produces Terrigen Mist, which turns countless people into Inhumans. Blamed for the tragedy, Heroes disband. Kamala's search brings her to the Chimera's hidden wreckage, in which she finds Hulk, who attacks her before reverting back into Bruce Banner. She shows him the footage and eventually convinces him to assist her in proving the Avengers' innocence despite his reluctance. Traveling to a former S.H.I.E.L.D. compound to retrieve J.A.R.V.I.S., the two are confronted by A.I.M. and one of their operatives, the Abomination. Hulk defeats him before he and Kamala return to the Chimera to reactivate J.A.R.V.I.S. and set out to reunite the Avengers, starting with Tony Stark. While they find Stark at his family estate, he is reluctant to help as Banner's testimony of A-Day incriminated the Avengers. Upon learning of Kamala's evidence, Stark agrees to join them and works to restore the Chimera.
