Strawdog Theatre, 3829 N. Broadway Ave., hosts improv and sketch ensembles WILDCARD and Mullaney Chain on Wednesday, April 3 at 9:30 p.m. as part of the Chicago Improv Festival. Tickets cost $10. WILDCARD, which does long form improv, has performed together for more than three years. Mullaney Chain is run by Chicago Improv Festival artistic director Kevin Mullaney. In the chain, he invites a guest to improv with him, and each one invites another guest.