Klaus claims he would never kill Marcel, even though he has the means to do so. ... He claims Klaus' worst fear is that Hope will loathe him the same way he loathes Mikael.
Can Klaus beat Marcel?
Marcel and Rebekah sided together to take down Klaus once and for all so that they could finally be together, but their plan failed. Klaus killed many of Marcel's minions, forcing Marcel to ultimately choose to step down from the throne in order to save the rest of his people.
Is Klaus Mikaelson stronger than Marcel?
Similarly, Marcel was also stronger than the Originals and Klaus, fighting them with ease. Super Speed: They are also considerably much faster than most supernatural species seen thus far.