We certainly have a lot to unpack after watching today's episode of What If...?, and the animated series does a pretty incredible job of taking that "Marvel Zombies" concept from the comic books and making it work in the context of the MCU - but there's one element of this instalment that lands quite a bit harder than anything we saw on the page (especially after WandaVision).
When some of the surviving heroes respond to a signal coming from Camp Leigh, they find The Vision. It turns out that the Mind Stone is emitting a frequency that repels the undead, and the android has actually been able to cure both Scott Lang and T'Challa.
However, he's only done so because it means he can feed the women he loves: Wanda Maximoff. Her powers are preventing Vision from curing her like the others, so he's been luring people to him so he can sustain his zombie bride. He's even been feeding pieces of T'Challa to her, and to call this the MCU's most twisted love story ever would be an understatement.
Ultimately, Vision sees the errors of his ways and repents by tearing the Mind Stone from his head. That gives the heroes a chance to cure everyone, but what they don't know is that an undead Thanos is waiting for them in Wakanda (and he only needs one more Infinity Stone...).
That's quite the cliffhanger, and one we're definitely hoping is addressed in What If...? season 2.
Unfortunately, something tells us things don't end well for Spider-Man, Scott Lang, and Black Panther, but this is definitely a concept Marvel Studios needs to consider revisiting at some point.