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When Ego and 8-year-old Peter Quill begin their Celestial Expansion on Earth, S.H.I.E.L.D. founders Howard Stark and Peggy Carter form an Avengers-style team with Earth’s Mightiest Heroes from 1988.
What If...?Season Number: 2Episode Number: 2Episode Title: What If... Peter Quill Attacked Earth’s Mightiest Heroes?Air Date: 2023-12-23
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