Node K10C
Possible answers:
Batman / Bruce Wayne: 9 actors
Lewis Wilson, Robert Lowery, Adam West, Michael Keaton, Val Kilmer, George Clooney, Christian Bale, Ben Affleck, and Robert Pattinson 

Superman / Clark Kent: 4 actors
Christopher Reeve, Brandon Routh, Henry Cavill, and David Corenswet

Spider‑Man / Peter Parker:  3 actors
Tobey Maguire, Andrew Garfield, and Tom Holland

Mr. Fantastic / Reed Richards: 4 actors
Portrayed by Ioan Gruffudd, Miles Teller, and John Krasinski, Pedro Pascal (as of July 24, 2025) 

Invisible Woman / Sue Storm: 3 actors
Played by Jessica Alba, Kate Mara, and Vanessa Kirby (as of July 24, 2025) 

Johnny Storm: 3 actors
Chris Evans, Michael B. Jordan, and Joseph Quinn (as of July 24, 2025)

Ben Grimm / The Thing: 3 actors
Michael Chiklis, Jamie Bell, and Ebon Moss-Bachrach (as of July 24, 2025)

Possibly others I missed... MOAR bonus points.

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