Easter is a Christian celebration, on what is believed to be the resurrection of Jesus, three days after dying on the cross for the sins of Mankind
Muslims know Jesus (PBUH) as Isa (A.S), who is important figure in Islam and is regarded as a Prophet of Allah (SWT), But Muslims do not believe that Jesus (Isa A.S) was crucified and that another took his place on the cross and he as ascended to heaven by Allah (SWT)
Muslims believe Jesus (Isa A.S) will return to earth before the day of judgement to restore justice and defeat the false Messiah (Dajjal) also knows as the anti-Christ