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In celebration of Marvel Ultimate Alliance 3: The Black Order arriving on the Switch, the Marvel Games panel at the 2019 San Diego Comic-Con revealed Loki was joining the alliance on day one and also announced Cyclops and Colossus from X-Men would show up on 30th August.

Read the full article on nintendolife.com

Original source: http://www.nintendolife.com/news/2019/07/the_first_dlc_pack_for_marvel_ultimate_alliance_3_releases_this_september