7 Darkest Versions of the X-Men

Life is never easy for the X-Men, and things get even harder when you add in alternate realities, mind control, and villains teaming up with the heroes. We’ve seen many different versions of the X-Men face incredible challenges, and how those experiences can change them for the worse. Here are seven of the darkest versions of the team, some from bizarre alternate universes and others from the main Marvel universe.






![Through Monte Carlo simulation and utilizing a partial-transpose witness constructed from the spin density operator [latex]\varrho(P)[/latex], entanglement within [latex]t\bar{t}[/latex] spin states is demonstrably detectable across all velocities [latex]\beta = \lvert\boldsymbol{p}\_{t}\rvert/E\_{t}[/latex] - as determined by selecting events where predicted states exhibit entanglement - and quantified via the mean value of [latex]W^{t\bar{t}}\_{PT}[/latex] with associated statistical uncertainty, binned across momentum values [latex]k \leq \beta < k + 0.1[/latex] for [latex]k = 0.0, 0.1, \dotsc, 0.9[/latex].](https://arxiv.org/html/2604.27130v1/x1.png)

