A person who phases will lose the ability to phase while in this room because the field it generates forcibly stops their atoms from becoming intangible. For Teleporters, it simply locks them in place and cuts off their access to, say, a Shadow Dimension or whatever Nightcrawler uses to teleport or it simply stops them from displacing themselves and moving to where they want to go.
MCU: The Ultimate Spider
Movies Ā· Average_Butler
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