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Key Facts

First team-up of Spider-Man and the new X-Men team

First meeting of Wolverine and Spider-Man - previously met Nightcrawler

2nd appearance of Jean Grey as the Phoenix

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Key Facts

Death of Ned Leeds

Wolverine discovers Peter Parker is Spider-Man

Spider-Man inadvertently kills a woman by punching her, thinking Wolverine snuck up on him

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Key Facts

Debut of Mary Jane Watson's Jackpot powers

Marvel ⋅ 2019

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Key Facts

First Doctor Doom ongoing solo series

Marvel ⋅ 2019

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Key Facts

1st team appearance of the Butcher Squadron, a prototype of Thanos's Black Order

Origin of Thanos and Gamora

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Key Facts

2nd appearance of Mr. Freeze - first addressed as Mr. Freeze, formerly Mr. Zero

Key Facts

1st full appearance of Marchion Ro, leader of the Nihil

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Key Facts

1st appearance of Delilah, an assassin for the Rose

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