Tonight's episode unravels the thrilling storylines of "What If...? Season 2." The first episode delved into the cosmic consequences of Nebula joining the Nova Corps, revealing betrayals and unexpected alliances in the battle against Ronan. Episode two unfolded a riveting tale as Peter Quill, under the influence of his celestial father Ego, launched a devastating assault on Earth's mightiest heroes, set against the backdrop of 1980s Manhattan and an alien invasion. The festive spirit took center stage in the third episode, with Happy Hogan, Darcy, and Maria Hill embarking on a Christmas adventure reminiscent of Die Hard. Episode four saw Tony Stark's detour to Planet Sakalar, engaging in a wild race with the eccentric Grandmaster. In the fifth episode, Captain Carter faces off against the Hydra Stomper controlled by the Red Room, resulting in unexpected twists and a leap into the 1602 universe.