(Covers information from the D.C. comics)
The Tower of London was a famous London landmark. Based on information gathered by Falcon, which indicated the Umbrella Corporation's headquarters was based within a European landmark, Chris; Jill and Barry traveled to the Tower to investigate. Umbrella had been spying on them and released a mutagenic virus in preparation for their arrival, forcing the former S.T.A.R.S. members up against zombified Yeomen Warders.