Oops, not the DC Batman.
Always Be Batman Men's T-shirt
If You Are Good At Something, Don't Do It For Free - Joker Heath Ledger Dark Knight Men's T-shirt
I'm Not Saying I'm Batman, But I'm Batman - Men's T-shirt
Ironman Ironbox-man Marvel Men's Parody T-shirt
Kung Fu Panda Po Face Men's T-shirt
Place a t-shirt that fits you on a flat surface and measure the chest as shown in the image in Inches & multiply it with 2 to get your size.
Men's t-shirts are also considered UNISEX.